x+-13=87

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Solution for x+-13=87 equation: 


Simplifying
x + -13 = 87

Reorder the terms:
-13 + x = 87

Solving
-13 + x = 87

Solving for variable 'x'.

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

Add '13' to each side of the equation.
-13 + 13 + x = 87 + 13

Combine like terms: -13 + 13 = 0
0 + x = 87 + 13
x = 87 + 13

Combine like terms: 87 + 13 = 100
x = 100

Simplifying
x = 100

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