(18x-12)+15x+(10x+20)=180

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Solution for (18x-12)+15x+(10x+20)=180 equation:


Simplifying
(18x + -12) + 15x + (10x + 20) = 180

Reorder the terms:
(-12 + 18x) + 15x + (10x + 20) = 180

Remove parenthesis around (-12 + 18x)
-12 + 18x + 15x + (10x + 20) = 180

Reorder the terms:
-12 + 18x + 15x + (20 + 10x) = 180

Remove parenthesis around (20 + 10x)
-12 + 18x + 15x + 20 + 10x = 180

Reorder the terms:
-12 + 20 + 18x + 15x + 10x = 180

Combine like terms: -12 + 20 = 8
8 + 18x + 15x + 10x = 180

Combine like terms: 18x + 15x = 33x
8 + 33x + 10x = 180

Combine like terms: 33x + 10x = 43x
8 + 43x = 180

Solving
8 + 43x = 180

Solving for variable 'x'.

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

Add '-8' to each side of the equation.
8 + -8 + 43x = 180 + -8

Combine like terms: 8 + -8 = 0
0 + 43x = 180 + -8
43x = 180 + -8

Combine like terms: 180 + -8 = 172
43x = 172

Divide each side by '43'.
x = 4

Simplifying
x = 4

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