3(x+20)+(x+20)+x=180

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


Simplifying
3(x + 20) + (x + 20) + x = 180

Reorder the terms:
3(20 + x) + (x + 20) + x = 180
(20 * 3 + x * 3) + (x + 20) + x = 180
(60 + 3x) + (x + 20) + x = 180

Reorder the terms:
60 + 3x + (20 + x) + x = 180

Remove parenthesis around (20 + x)
60 + 3x + 20 + x + x = 180

Reorder the terms:
60 + 20 + 3x + x + x = 180

Combine like terms: 60 + 20 = 80
80 + 3x + x + x = 180

Combine like terms: 3x + x = 4x
80 + 4x + x = 180

Combine like terms: 4x + x = 5x
80 + 5x = 180

Solving
80 + 5x = 180

Solving for variable 'x'.

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

Add '-80' to each side of the equation.
80 + -80 + 5x = 180 + -80

Combine like terms: 80 + -80 = 0
0 + 5x = 180 + -80
5x = 180 + -80

Combine like terms: 180 + -80 = 100
5x = 100

Divide each side by '5'.
x = 20

Simplifying
x = 20

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