X+(x+75)+(x+15)=180

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Solution for X+(x+75)+(x+15)=180 equation:


Simplifying
X + (x + 75) + (x + 15) = 180

Reorder the terms:
X + (75 + x) + (x + 15) = 180

Remove parenthesis around (75 + x)
X + 75 + x + (x + 15) = 180

Reorder the terms:
X + 75 + x + (15 + x) = 180

Remove parenthesis around (15 + x)
X + 75 + x + 15 + x = 180

Reorder the terms:
75 + 15 + X + x + x = 180

Combine like terms: 75 + 15 = 90
90 + X + x + x = 180

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

Solving
90 + X + 2x = 180

Solving for variable 'X'.

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

Add '-90' to each side of the equation.
90 + X + -90 + 2x = 180 + -90

Reorder the terms:
90 + -90 + X + 2x = 180 + -90

Combine like terms: 90 + -90 = 0
0 + X + 2x = 180 + -90
X + 2x = 180 + -90

Combine like terms: 180 + -90 = 90
X + 2x = 90

Add '-2x' to each side of the equation.
X + 2x + -2x = 90 + -2x

Combine like terms: 2x + -2x = 0
X + 0 = 90 + -2x
X = 90 + -2x

Simplifying
X = 90 + -2x

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