15x+[31x-2]+90=180

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Solution for 15x+[31x-2]+90=180 equation:


Simplifying
15x + [31x + -2] + 90 = 180

Reorder the terms:
15x + [-2 + 31x] + 90 = 180

Remove brackets around [-2 + 31x]
15x + -2 + 31x + 90 = 180

Reorder the terms:
-2 + 90 + 15x + 31x = 180

Combine like terms: -2 + 90 = 88
88 + 15x + 31x = 180

Combine like terms: 15x + 31x = 46x
88 + 46x = 180

Solving
88 + 46x = 180

Solving for variable 'x'.

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

Add '-88' to each side of the equation.
88 + -88 + 46x = 180 + -88

Combine like terms: 88 + -88 = 0
0 + 46x = 180 + -88
46x = 180 + -88

Combine like terms: 180 + -88 = 92
46x = 92

Divide each side by '46'.
x = 2

Simplifying
x = 2

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