X+(x+10)+(x+20)=180

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Solution for X+(x+10)+(x+20)=180 equation: 


Simplifying
X + (x + 10) + (x + 20) = 180

Reorder the terms:
X + (10 + x) + (x + 20) = 180

Remove parenthesis around (10 + x)
X + 10 + x + (x + 20) = 180

Reorder the terms:
X + 10 + x + (20 + x) = 180

Remove parenthesis around (20 + x)
X + 10 + x + 20 + x = 180

Reorder the terms:
10 + 20 + X + x + x = 180

Combine like terms: 10 + 20 = 30
30 + X + x + x = 180

Combine like terms: x + x = 2x
30 + X + 2x = 180

Solving
30 + X + 2x = 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 + X + -30 + 2x = 180 + -30

Reorder the terms:
30 + -30 + X + 2x = 180 + -30

Combine like terms: 30 + -30 = 0
0 + X + 2x = 180 + -30
X + 2x = 180 + -30

Combine like terms: 180 + -30 = 150
X + 2x = 150

Add '-2x' to each side of the equation.
X + 2x + -2x = 150 + -2x

Combine like terms: 2x + -2x = 0
X + 0 = 150 + -2x
X = 150 + -2x

Simplifying
X = 150 + -2x

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