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

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


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

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

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

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

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

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

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

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

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

Combine like terms: 35 + -5 = 30
30 + 5x + x + 4x = 180

Combine like terms: 5x + x = 6x
30 + 6x + 4x = 180

Combine like terms: 6x + 4x = 10x
30 + 10x = 180

Solving
30 + 10x = 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 + 10x = 180 + -30

Combine like terms: 30 + -30 = 0
0 + 10x = 180 + -30
10x = 180 + -30

Combine like terms: 180 + -30 = 150
10x = 150

Divide each side by '10'.
x = 15

Simplifying
x = 15

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