120+(5x+15)+(3x-3)=180

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Solution for 120+(5x+15)+(3x-3)=180 equation:


Simplifying
120 + (5x + 15) + (3x + -3) = 180

Reorder the terms:
120 + (15 + 5x) + (3x + -3) = 180

Remove parenthesis around (15 + 5x)
120 + 15 + 5x + (3x + -3) = 180

Reorder the terms:
120 + 15 + 5x + (-3 + 3x) = 180

Remove parenthesis around (-3 + 3x)
120 + 15 + 5x + -3 + 3x = 180

Reorder the terms:
120 + 15 + -3 + 5x + 3x = 180

Combine like terms: 120 + 15 = 135
135 + -3 + 5x + 3x = 180

Combine like terms: 135 + -3 = 132
132 + 5x + 3x = 180

Combine like terms: 5x + 3x = 8x
132 + 8x = 180

Solving
132 + 8x = 180

Solving for variable 'x'.

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

Add '-132' to each side of the equation.
132 + -132 + 8x = 180 + -132

Combine like terms: 132 + -132 = 0
0 + 8x = 180 + -132
8x = 180 + -132

Combine like terms: 180 + -132 = 48
8x = 48

Divide each side by '8'.
x = 6

Simplifying
x = 6

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