(3x+6)+(6x-9)=180

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Solution for (3x+6)+(6x-9)=180 equation:


Simplifying
(3x + 6) + (6x + -9) = 180

Reorder the terms:
(6 + 3x) + (6x + -9) = 180

Remove parenthesis around (6 + 3x)
6 + 3x + (6x + -9) = 180

Reorder the terms:
6 + 3x + (-9 + 6x) = 180

Remove parenthesis around (-9 + 6x)
6 + 3x + -9 + 6x = 180

Reorder the terms:
6 + -9 + 3x + 6x = 180

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

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

Solving
-3 + 9x = 180

Solving for variable 'x'.

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

Add '3' to each side of the equation.
-3 + 3 + 9x = 180 + 3

Combine like terms: -3 + 3 = 0
0 + 9x = 180 + 3
9x = 180 + 3

Combine like terms: 180 + 3 = 183
9x = 183

Divide each side by '9'.
x = 20.33333333

Simplifying
x = 20.33333333

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