X+90+(x-12)=180

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Solution for X+90+(x-12)=180 equation:


Simplifying
X + 90 + (x + -12) = 180

Reorder the terms:
X + 90 + (-12 + x) = 180

Remove parenthesis around (-12 + x)
X + 90 + -12 + x = 180

Reorder the terms:
90 + -12 + X + x = 180

Combine like terms: 90 + -12 = 78
78 + X + x = 180

Solving
78 + X + x = 180

Solving for variable 'X'.

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

Add '-78' to each side of the equation.
78 + X + -78 + x = 180 + -78

Reorder the terms:
78 + -78 + X + x = 180 + -78

Combine like terms: 78 + -78 = 0
0 + X + x = 180 + -78
X + x = 180 + -78

Combine like terms: 180 + -78 = 102
X + x = 102

Add '-1x' to each side of the equation.
X + x + -1x = 102 + -1x

Combine like terms: x + -1x = 0
X + 0 = 102 + -1x
X = 102 + -1x

Simplifying
X = 102 + -1x

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