(15+5x)+(4x+20)=180

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Solution for (15+5x)+(4x+20)=180 equation:


Simplifying
(15 + 5x) + (4x + 20) = 180

Remove parenthesis around (15 + 5x)
15 + 5x + (4x + 20) = 180

Reorder the terms:
15 + 5x + (20 + 4x) = 180

Remove parenthesis around (20 + 4x)
15 + 5x + 20 + 4x = 180

Reorder the terms:
15 + 20 + 5x + 4x = 180

Combine like terms: 15 + 20 = 35
35 + 5x + 4x = 180

Combine like terms: 5x + 4x = 9x
35 + 9x = 180

Solving
35 + 9x = 180

Solving for variable 'x'.

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

Add '-35' to each side of the equation.
35 + -35 + 9x = 180 + -35

Combine like terms: 35 + -35 = 0
0 + 9x = 180 + -35
9x = 180 + -35

Combine like terms: 180 + -35 = 145
9x = 145

Divide each side by '9'.
x = 16.11111111

Simplifying
x = 16.11111111

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