(3x+20)+(8x-15)=180

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Solution for (3x+20)+(8x-15)=180 equation:


Simplifying
(3x + 20) + (8x + -15) = 180

Reorder the terms:
(20 + 3x) + (8x + -15) = 180

Remove parenthesis around (20 + 3x)
20 + 3x + (8x + -15) = 180

Reorder the terms:
20 + 3x + (-15 + 8x) = 180

Remove parenthesis around (-15 + 8x)
20 + 3x + -15 + 8x = 180

Reorder the terms:
20 + -15 + 3x + 8x = 180

Combine like terms: 20 + -15 = 5
5 + 3x + 8x = 180

Combine like terms: 3x + 8x = 11x
5 + 11x = 180

Solving
5 + 11x = 180

Solving for variable 'x'.

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

Add '-5' to each side of the equation.
5 + -5 + 11x = 180 + -5

Combine like terms: 5 + -5 = 0
0 + 11x = 180 + -5
11x = 180 + -5

Combine like terms: 180 + -5 = 175
11x = 175

Divide each side by '11'.
x = 15.90909091

Simplifying
x = 15.90909091

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