(3x)+(2x+20)+(4x-20)=180

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Solution for (3x)+(2x+20)+(4x-20)=180 equation: 


Simplifying
(3x) + (2x + 20) + (4x + -20) = 180

Reorder the terms:
(3x) + (20 + 2x) + (4x + -20) = 180

Remove parenthesis around (20 + 2x)
(3x) + 20 + 2x + (4x + -20) = 180

Reorder the terms:
(3x) + 20 + 2x + (-20 + 4x) = 180

Remove parenthesis around (-20 + 4x)
(3x) + 20 + 2x + -20 + 4x = 180

Reorder the terms:
20 + -20 + (3x) + 2x + 4x = 180

Combine like terms: 20 + -20 = 0
0 + (3x) + 2x + 4x = 180
(3x) + 2x + 4x = 180

Combine like terms: (3x) + 2x = 5x
5x + 4x = 180

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

Solving
9x = 180

Solving for variable 'x'.

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

Divide each side by '9'.
x = 20

Simplifying
x = 20

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