90+y+(x+30)=180

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Solution for 90+y+(x+30)=180 equation:


Simplifying
90 + y + (x + 30) = 180

Reorder the terms:
90 + y + (30 + x) = 180

Remove parenthesis around (30 + x)
90 + y + 30 + x = 180

Reorder the terms:
90 + 30 + x + y = 180

Combine like terms: 90 + 30 = 120
120 + x + y = 180

Solving
120 + x + y = 180

Solving for variable 'x'.

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

Add '-120' to each side of the equation.
120 + x + -120 + y = 180 + -120

Reorder the terms:
120 + -120 + x + y = 180 + -120

Combine like terms: 120 + -120 = 0
0 + x + y = 180 + -120
x + y = 180 + -120

Combine like terms: 180 + -120 = 60
x + y = 60

Add '-1y' to each side of the equation.
x + y + -1y = 60 + -1y

Combine like terms: y + -1y = 0
x + 0 = 60 + -1y
x = 60 + -1y

Simplifying
x = 60 + -1y

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