2x+y=x-7

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Solution for 2x+y=x-7 equation:


Simplifying
2x + y = x + -7

Reorder the terms:
2x + y = -7 + x

Solving
2x + y = -7 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
2x + -1x + y = -7 + x + -1x

Combine like terms: 2x + -1x = 1x
1x + y = -7 + x + -1x

Combine like terms: x + -1x = 0
1x + y = -7 + 0
1x + y = -7

Add '-1y' to each side of the equation.
1x + y + -1y = -7 + -1y

Combine like terms: y + -1y = 0
1x + 0 = -7 + -1y
1x = -7 + -1y

Divide each side by '1'.
x = -7 + -1y

Simplifying
x = -7 + -1y

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