solve x-y = 6 and y= -2-x

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Guide :

solve x-y = 6 and y= -2-x

substitution and elimination

Research, Knowledge and Information :

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How do you solve x+y=6 and x-y=2? | Socratic

Add the equations rarr(x+y=6)+(x-y=2) rarr2x=8 rArrcolor ... How do you solve x+y=6 and x-y=2? Algebra Systems of Equations and Inequalities Systems Using Substitution.

How do you solve 3x+y =-2 and x-y=6? (229651 ... - Wyzant ...

How do you solve 3x+y =-2 and x-y=6? With whatever method is ... First we will use elimination to solve for x 3x + y = -2 x- y= 6 Add the 2 equations and the result ...

SOLUTION: Solve by substitution. x-y=6 x=y+2

Question 231939: Solve by substitution. x-y=6 x=y+2 ... You can put this solution on YOUR website! x-y=6 x=y+2 (y+2)-y=6 y+2-y=6 0=6-4 0=2 no solution. Proof: x-y=6

How do you solve 3x - y = 9 and 2x + y = 6? | Socratic

How do you solve 3x+4y=0 and x-4y= -8? How do you solve #x - 2y = -6# and #-x + y = 2#? See more Trending questions. How does Newton's third law apply to a ...

x + y = 6 2x + y = 4 Solve the system of equations. (-2, 8 ...

X + y = 6 2x + y = 4 Solve the system of equations. (-2, 8 ... X+y=6 2x+y=4 solve the both x+y=6 - (2x+y=4)-x = 2 x=-2 substitute the value of x in x+y=6-2+y=6 y=6+2 ...

Solve for x and y : x^2-y^2=4; x+y=2 | eNotes

... x^2-y^2=4; x+y=2' and find ... +2=0.Solve the equation: x/(x+4) + 4/(x+4)+2=0. Solve: 6/ x + 2 = 2/x -4; More Math Questions. Popular Questions. What do the ...

how do you solve x+y=-6 x-y=6 by elimination (251084 ...

how do you solve x+y=-6 x-y=6 by elimination.

How to solve y=3x-6 y=2x-5 and 2x+y-2=0 3x-y-3=0 - Quora

In this simultaneous equations, there are 2 variables x and y but with 4 linear equations. ... How can I solve [math]x^2+2xy+y^2+3x-3y-18=0[/math]?

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How do I solve y=-x-4

How do I solve y=-x-4 I need to be able to plot these points on a graph but i don't know how to solve the problem.   make an x & y axis. ( like a cross one line goes vertical an the other horizontal) put equal dimention for x & y line From center line moving

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how to solve for x with fractions

Simplifying x3 + 3x2 + -4x = 0 Reorder the terms: -4x + 3x2 + x3 = 0 Solving -4x + 3x2 + x3 = 0 Solving for variable 'x'. Factor out the Greatest Common Factor (GCF), 'x'. x(-4 + 3x + x2) = 0 Factor a trinomial. x((-4 + -1x)(1 + -1x)) = 0 Subproblem 1 Set the factor 'x' equal to zero an

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How do you solve this problem? solve for d: n= m+3d/4

Problem: How do you solve this problem? solve for d: n= m+3d/4 I need help solving this and seeing how it was solved since I am having trouble figuring out what to do and how to solve it thanks. n = m + 3d/4 n - m = (m + 3d/4) - m n - m = 3d/4 4(n - m) = (3d/4)4 4(n - m) = 3d 4(n - m)/3 = 3

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Solve, using linear combination. 3x + y = 4 2x + y = 5

line 1: 3x+y=4    or y=4-3x line 2: 2x+y=5 line 1 -line2...(3x-2x)+(y-y)=4-5 or x=-1 y=4-3x=4+3=7

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how can i solve these equations?

how can i solve these equations? x + 3y – z = 2 x – 2y + 3z = 7 x + 2y – 5z = –21 We eliminate one of the unknowns (x, y or z, take your choice), leaving two unknowns. Then, we eliminate a second one, giving us an equation with only one of the unknowns. Solve for that and plug that value in

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Inequalities

9x+6=51 9x=51-6 9x=45 x=5

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how do you solve 3/x+5

how do you solve 3/x+5 I'm confused on how to solve this problem All you have is an expression. There is nothing to solve until you make it an equation. 3/x + 5 = -8 3/x + 5 = 14 3/x + 5 = 0 3/x + 5 = 38.67 3/x + 5 = -91 3/x + 5 = 43 Those can be solved, because they are complete. Each one will h

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x - z = -3, y + z = 9, -2x + 3y +5z = 33

Problem: x - z = -3, y + z = 9, -2x + 3y +5z = 33 1) x - z = -3 2) y + z = 9 3) -2x + 3y + 5z = 33 Add equation 2 to equation 1.      x     - z = -3 +(    y + z =  9) ------------------   x + y     = 6 4)

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how to solve by substitution

how to solve by substitution .3x+3y=1.2(100) "Substitution" implies there are TWO equations in two unknowns. You solve one of them for one of the unknowns in terms of the other, e.g., solve for y in terms of x. THEN, you substitute that value into the other equation where the y is, and yo

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2x+y=9 x-2z=-3 2y+3z=15

2x+y=9 x-2z=-3 2y+3z=15 Forgot how to do This. Problems Solving systems of this type requires eliminating all but one unknown so you can solve for that unknown. Then, plug that value into one of the equations to solve for another of the unknowns. Finally, plug both of those values into an equation