-87-X=135

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Solution for -87-X=135 equation: 


Simplifying
-87 + -1X = 135

Solving
-87 + -1X = 135

Solving for variable 'X'.

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

Add '87' to each side of the equation.
-87 + 87 + -1X = 135 + 87

Combine like terms: -87 + 87 = 0
0 + -1X = 135 + 87
-1X = 135 + 87

Combine like terms: 135 + 87 = 222
-1X = 222

Divide each side by '-1'.
X = -222

Simplifying
X = -222

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