(15x-12)+(5x-18)=180

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Solution for (15x-12)+(5x-18)=180 equation:


Simplifying
(15x + -12) + (5x + -18) = 180

Reorder the terms:
(-12 + 15x) + (5x + -18) = 180

Remove parenthesis around (-12 + 15x)
-12 + 15x + (5x + -18) = 180

Reorder the terms:
-12 + 15x + (-18 + 5x) = 180

Remove parenthesis around (-18 + 5x)
-12 + 15x + -18 + 5x = 180

Reorder the terms:
-12 + -18 + 15x + 5x = 180

Combine like terms: -12 + -18 = -30
-30 + 15x + 5x = 180

Combine like terms: 15x + 5x = 20x
-30 + 20x = 180

Solving
-30 + 20x = 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 + 20x = 180 + 30

Combine like terms: -30 + 30 = 0
0 + 20x = 180 + 30
20x = 180 + 30

Combine like terms: 180 + 30 = 210
20x = 210

Divide each side by '20'.
x = 10.5

Simplifying
x = 10.5

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