x-(-20)=13

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Solution for x-(-20)=13 equation: 


Simplifying
x + -1(-20) = 13

Multiply -1 * -20
x + 20 = 13

Reorder the terms:
20 + x = 13

Solving
20 + x = 13

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 = 13 + -20

Combine like terms: 20 + -20 = 0
0 + x = 13 + -20
x = 13 + -20

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

Simplifying
x = -7

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