-2(x-2)=20

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Solution for -2(x-2)=20 equation: 


Simplifying
-2(x + -2) = 20

Reorder the terms:
-2(-2 + x) = 20
(-2 * -2 + x * -2) = 20
(4 + -2x) = 20

Solving
4 + -2x = 20

Solving for variable 'x'.

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

Add '-4' to each side of the equation.
4 + -4 + -2x = 20 + -4

Combine like terms: 4 + -4 = 0
0 + -2x = 20 + -4
-2x = 20 + -4

Combine like terms: 20 + -4 = 16
-2x = 16

Divide each side by '-2'.
x = -8

Simplifying
x = -8

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