-1(x)=x+7

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Solution for -1(x)=x+7 equation: 


Simplifying
-1(x) = x + 7

Reorder the terms:
-1x = 7 + x

Solving
-1x = 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.
-1x + -1x = 7 + x + -1x

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

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

Divide each side by '-2'.
x = -3.5

Simplifying
x = -3.5

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