X+(x+12)+(x+15)=180

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Solution for X+(x+12)+(x+15)=180 equation:


Simplifying
X + (x + 12) + (x + 15) = 180

Reorder the terms:
X + (12 + x) + (x + 15) = 180

Remove parenthesis around (12 + x)
X + 12 + x + (x + 15) = 180

Reorder the terms:
X + 12 + x + (15 + x) = 180

Remove parenthesis around (15 + x)
X + 12 + x + 15 + x = 180

Reorder the terms:
12 + 15 + X + x + x = 180

Combine like terms: 12 + 15 = 27
27 + X + x + x = 180

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

Solving
27 + X + 2x = 180

Solving for variable 'X'.

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

Add '-27' to each side of the equation.
27 + X + -27 + 2x = 180 + -27

Reorder the terms:
27 + -27 + X + 2x = 180 + -27

Combine like terms: 27 + -27 = 0
0 + X + 2x = 180 + -27
X + 2x = 180 + -27

Combine like terms: 180 + -27 = 153
X + 2x = 153

Add '-2x' to each side of the equation.
X + 2x + -2x = 153 + -2x

Combine like terms: 2x + -2x = 0
X + 0 = 153 + -2x
X = 153 + -2x

Simplifying
X = 153 + -2x

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