x-(-20)=-20

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


Simplifying
x + -1(-20) = -20

Multiply -1 * -20
x + 20 = -20

Reorder the terms:
20 + x = -20

Solving
20 + x = -20

Solving for variable 'x'.

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

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

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

Combine like terms: -20 + -20 = -40
x = -40

Simplifying
x = -40

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