(X-15)+15=90

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Solution for (X-15)+15=90 equation: 


Simplifying
(X + -15) + 15 = 90

Reorder the terms:
(-15 + X) + 15 = 90

Remove parenthesis around (-15 + X)
-15 + X + 15 = 90

Reorder the terms:
-15 + 15 + X = 90

Combine like terms: -15 + 15 = 0
0 + X = 90
X = 90

Solving
X = 90

Solving for variable 'X'.

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

Simplifying
X = 90

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