3x+(x-15)+(2x+15)=180

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Solution for 3x+(x-15)+(2x+15)=180 equation:


Simplifying
3x + (x + -15) + (2x + 15) = 180

Reorder the terms:
3x + (-15 + x) + (2x + 15) = 180

Remove parenthesis around (-15 + x)
3x + -15 + x + (2x + 15) = 180

Reorder the terms:
3x + -15 + x + (15 + 2x) = 180

Remove parenthesis around (15 + 2x)
3x + -15 + x + 15 + 2x = 180

Reorder the terms:
-15 + 15 + 3x + x + 2x = 180

Combine like terms: -15 + 15 = 0
0 + 3x + x + 2x = 180
3x + x + 2x = 180

Combine like terms: 3x + x = 4x
4x + 2x = 180

Combine like terms: 4x + 2x = 6x
6x = 180

Solving
6x = 180

Solving for variable 'x'.

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

Divide each side by '6'.
x = 30

Simplifying
x = 30

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