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

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


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

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

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

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

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

Combine like terms: 6x + 6x = 12x
-6 + 12x = 180

Solving
-6 + 12x = 180

Solving for variable 'x'.

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

Add '6' to each side of the equation.
-6 + 6 + 12x = 180 + 6

Combine like terms: -6 + 6 = 0
0 + 12x = 180 + 6
12x = 180 + 6

Combine like terms: 180 + 6 = 186
12x = 186

Divide each side by '12'.
x = 15.5

Simplifying
x = 15.5

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