X+15+5x+57=90

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Solution for X+15+5x+57=90 equation:


Simplifying
X + 15 + 5x + 57 = 90

Reorder the terms:
15 + 57 + X + 5x = 90

Combine like terms: 15 + 57 = 72
72 + X + 5x = 90

Solving
72 + X + 5x = 90

Solving for variable 'X'.

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

Add '-72' to each side of the equation.
72 + X + -72 + 5x = 90 + -72

Reorder the terms:
72 + -72 + X + 5x = 90 + -72

Combine like terms: 72 + -72 = 0
0 + X + 5x = 90 + -72
X + 5x = 90 + -72

Combine like terms: 90 + -72 = 18
X + 5x = 18

Add '-5x' to each side of the equation.
X + 5x + -5x = 18 + -5x

Combine like terms: 5x + -5x = 0
X + 0 = 18 + -5x
X = 18 + -5x

Simplifying
X = 18 + -5x

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