3x+(x+15)+x=180

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


Simplifying
3x + (x + 15) + x = 180

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

Remove parenthesis around (15 + x)
3x + 15 + x + x = 180

Reorder the terms:
15 + 3x + x + x = 180

Combine like terms: 3x + x = 4x
15 + 4x + x = 180

Combine like terms: 4x + x = 5x
15 + 5x = 180

Solving
15 + 5x = 180

Solving for variable 'x'.

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

Add '-15' to each side of the equation.
15 + -15 + 5x = 180 + -15

Combine like terms: 15 + -15 = 0
0 + 5x = 180 + -15
5x = 180 + -15

Combine like terms: 180 + -15 = 165
5x = 165

Divide each side by '5'.
x = 33

Simplifying
x = 33

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