6x+15+3x+15=180

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Solution for 6x+15+3x+15=180 equation: 


Simplifying
6x + 15 + 3x + 15 = 180

Reorder the terms:
15 + 15 + 6x + 3x = 180

Combine like terms: 15 + 15 = 30
30 + 6x + 3x = 180

Combine like terms: 6x + 3x = 9x
30 + 9x = 180

Solving
30 + 9x = 180

Solving for variable 'x'.

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

Add '-30' to each side of the equation.
30 + -30 + 9x = 180 + -30

Combine like terms: 30 + -30 = 0
0 + 9x = 180 + -30
9x = 180 + -30

Combine like terms: 180 + -30 = 150
9x = 150

Divide each side by '9'.
x = 16.66666667

Simplifying
x = 16.66666667

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