(X+15)+20=90

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Solution for (X+15)+20=90 equation:


Simplifying
(X + 15) + 20 = 90

Reorder the terms:
(15 + X) + 20 = 90

Remove parenthesis around (15 + X)
15 + X + 20 = 90

Reorder the terms:
15 + 20 + X = 90

Combine like terms: 15 + 20 = 35
35 + X = 90

Solving
35 + X = 90

Solving for variable 'X'.

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

Add '-35' to each side of the equation.
35 + -35 + X = 90 + -35

Combine like terms: 35 + -35 = 0
0 + X = 90 + -35
X = 90 + -35

Combine like terms: 90 + -35 = 55
X = 55

Simplifying
X = 55

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