-20-X=135

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Solution for -20-X=135 equation: 


Simplifying
-20 + -1X = 135

Solving
-20 + -1X = 135

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 + -1X = 135 + 20

Combine like terms: -20 + 20 = 0
0 + -1X = 135 + 20
-1X = 135 + 20

Combine like terms: 135 + 20 = 155
-1X = 155

Divide each side by '-1'.
X = -155

Simplifying
X = -155

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