180=(2x)+(x-15)

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Solution for 180=(2x)+(x-15) equation:


Simplifying
180 = (2x) + (x + -15)

Reorder the terms:
180 = (2x) + (-15 + x)

Remove parenthesis around (-15 + x)
180 = (2x) + -15 + x

Reorder the terms:
180 = -15 + (2x) + x

Combine like terms: (2x) + x = 3x
180 = -15 + 3x

Solving
180 = -15 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
180 + -3x = -15 + 3x + -3x

Combine like terms: 3x + -3x = 0
180 + -3x = -15 + 0
180 + -3x = -15

Add '-180' to each side of the equation.
180 + -180 + -3x = -15 + -180

Combine like terms: 180 + -180 = 0
0 + -3x = -15 + -180
-3x = -15 + -180

Combine like terms: -15 + -180 = -195
-3x = -195

Divide each side by '-3'.
x = 65

Simplifying
x = 65

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