X+(x+90)+(x+15)=180

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Solution for X+(x+90)+(x+15)=180 equation:


Simplifying
X + (x + 90) + (x + 15) = 180

Reorder the terms:
X + (90 + x) + (x + 15) = 180

Remove parenthesis around (90 + x)
X + 90 + x + (x + 15) = 180

Reorder the terms:
X + 90 + x + (15 + x) = 180

Remove parenthesis around (15 + x)
X + 90 + x + 15 + x = 180

Reorder the terms:
90 + 15 + X + x + x = 180

Combine like terms: 90 + 15 = 105
105 + X + x + x = 180

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

Solving
105 + X + 2x = 180

Solving for variable 'X'.

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

Add '-105' to each side of the equation.
105 + X + -105 + 2x = 180 + -105

Reorder the terms:
105 + -105 + X + 2x = 180 + -105

Combine like terms: 105 + -105 = 0
0 + X + 2x = 180 + -105
X + 2x = 180 + -105

Combine like terms: 180 + -105 = 75
X + 2x = 75

Add '-2x' to each side of the equation.
X + 2x + -2x = 75 + -2x

Combine like terms: 2x + -2x = 0
X + 0 = 75 + -2x
X = 75 + -2x

Simplifying
X = 75 + -2x

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