3(x+9)+129=180

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Solution for 3(x+9)+129=180 equation:


Simplifying
3(x + 9) + 129 = 180

Reorder the terms:
3(9 + x) + 129 = 180
(9 * 3 + x * 3) + 129 = 180
(27 + 3x) + 129 = 180

Reorder the terms:
27 + 129 + 3x = 180

Combine like terms: 27 + 129 = 156
156 + 3x = 180

Solving
156 + 3x = 180

Solving for variable 'x'.

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

Add '-156' to each side of the equation.
156 + -156 + 3x = 180 + -156

Combine like terms: 156 + -156 = 0
0 + 3x = 180 + -156
3x = 180 + -156

Combine like terms: 180 + -156 = 24
3x = 24

Divide each side by '3'.
x = 8

Simplifying
x = 8

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