(X-15)+90=180

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Solution for (X-15)+90=180 equation:


Simplifying
(X + -15) + 90 = 180

Reorder the terms:
(-15 + X) + 90 = 180

Remove parenthesis around (-15 + X)
-15 + X + 90 = 180

Reorder the terms:
-15 + 90 + X = 180

Combine like terms: -15 + 90 = 75
75 + X = 180

Solving
75 + X = 180

Solving for variable 'X'.

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

Add '-75' to each side of the equation.
75 + -75 + X = 180 + -75

Combine like terms: 75 + -75 = 0
0 + X = 180 + -75
X = 180 + -75

Combine like terms: 180 + -75 = 105
X = 105

Simplifying
X = 105

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