(12x+12)+15+(3x+18)=180

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Solution for (12x+12)+15+(3x+18)=180 equation:


Simplifying
(12x + 12) + 15 + (3x + 18) = 180

Reorder the terms:
(12 + 12x) + 15 + (3x + 18) = 180

Remove parenthesis around (12 + 12x)
12 + 12x + 15 + (3x + 18) = 180

Reorder the terms:
12 + 12x + 15 + (18 + 3x) = 180

Remove parenthesis around (18 + 3x)
12 + 12x + 15 + 18 + 3x = 180

Reorder the terms:
12 + 15 + 18 + 12x + 3x = 180

Combine like terms: 12 + 15 = 27
27 + 18 + 12x + 3x = 180

Combine like terms: 27 + 18 = 45
45 + 12x + 3x = 180

Combine like terms: 12x + 3x = 15x
45 + 15x = 180

Solving
45 + 15x = 180

Solving for variable 'x'.

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

Add '-45' to each side of the equation.
45 + -45 + 15x = 180 + -45

Combine like terms: 45 + -45 = 0
0 + 15x = 180 + -45
15x = 180 + -45

Combine like terms: 180 + -45 = 135
15x = 135

Divide each side by '15'.
x = 9

Simplifying
x = 9

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