(9x-3)+(3x+15)=180

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Solution for (9x-3)+(3x+15)=180 equation:


Simplifying
(9x + -3) + (3x + 15) = 180

Reorder the terms:
(-3 + 9x) + (3x + 15) = 180

Remove parenthesis around (-3 + 9x)
-3 + 9x + (3x + 15) = 180

Reorder the terms:
-3 + 9x + (15 + 3x) = 180

Remove parenthesis around (15 + 3x)
-3 + 9x + 15 + 3x = 180

Reorder the terms:
-3 + 15 + 9x + 3x = 180

Combine like terms: -3 + 15 = 12
12 + 9x + 3x = 180

Combine like terms: 9x + 3x = 12x
12 + 12x = 180

Solving
12 + 12x = 180

Solving for variable 'x'.

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

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

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

Combine like terms: 180 + -12 = 168
12x = 168

Divide each side by '12'.
x = 14

Simplifying
x = 14

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