2x-2y=9-x+y

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Solution for 2x-2y=9-x+y equation:


Simplifying
2x + -2y = 9 + -1x + y

Solving
2x + -2y = 9 + -1x + y

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add 'x' to each side of the equation.
2x + x + -2y = 9 + -1x + x + y

Combine like terms: 2x + x = 3x
3x + -2y = 9 + -1x + x + y

Combine like terms: -1x + x = 0
3x + -2y = 9 + 0 + y
3x + -2y = 9 + y

Add '2y' to each side of the equation.
3x + -2y + 2y = 9 + y + 2y

Combine like terms: -2y + 2y = 0
3x + 0 = 9 + y + 2y
3x = 9 + y + 2y

Combine like terms: y + 2y = 3y
3x = 9 + 3y

Divide each side by '3'.
x = 3 + y

Simplifying
x = 3 + y

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