x+(x+20)+2(x+20)=180

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


Simplifying
x + (x + 20) + 2(x + 20) = 180

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

Remove parenthesis around (20 + x)
x + 20 + x + 2(x + 20) = 180

Reorder the terms:
x + 20 + x + 2(20 + x) = 180
x + 20 + x + (20 * 2 + x * 2) = 180
x + 20 + x + (40 + 2x) = 180

Reorder the terms:
20 + 40 + x + x + 2x = 180

Combine like terms: 20 + 40 = 60
60 + x + x + 2x = 180

Combine like terms: x + x = 2x
60 + 2x + 2x = 180

Combine like terms: 2x + 2x = 4x
60 + 4x = 180

Solving
60 + 4x = 180

Solving for variable 'x'.

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

Add '-60' to each side of the equation.
60 + -60 + 4x = 180 + -60

Combine like terms: 60 + -60 = 0
0 + 4x = 180 + -60
4x = 180 + -60

Combine like terms: 180 + -60 = 120
4x = 120

Divide each side by '4'.
x = 30

Simplifying
x = 30

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