2x-7=-y

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Solution for 2x-7=-y equation: 


Simplifying
2x + -7 = -1y

Reorder the terms:
-7 + 2x = -1y

Solving
-7 + 2x = -1y

Solving for variable 'x'.

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

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

Combine like terms: -7 + 7 = 0
0 + 2x = 7 + -1y
2x = 7 + -1y

Divide each side by '2'.
x = 3.5 + -0.5y

Simplifying
x = 3.5 + -0.5y

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