-(x-7)=20

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Solution for -(x-7)=20 equation: 


Simplifying
-1(x + -7) = 20

Reorder the terms:
-1(-7 + x) = 20
(-7 * -1 + x * -1) = 20
(7 + -1x) = 20

Solving
7 + -1x = 20

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 + -1x = 20 + -7

Combine like terms: 7 + -7 = 0
0 + -1x = 20 + -7
-1x = 20 + -7

Combine like terms: 20 + -7 = 13
-1x = 13

Divide each side by '-1'.
x = -13

Simplifying
x = -13

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