(y-30)+(y+30)=180

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Solution for (y-30)+(y+30)=180 equation:


Simplifying
(y + -30) + (y + 30) = 180

Reorder the terms:
(-30 + y) + (y + 30) = 180

Remove parenthesis around (-30 + y)
-30 + y + (y + 30) = 180

Reorder the terms:
-30 + y + (30 + y) = 180

Remove parenthesis around (30 + y)
-30 + y + 30 + y = 180

Reorder the terms:
-30 + 30 + y + y = 180

Combine like terms: -30 + 30 = 0
0 + y + y = 180
y + y = 180

Combine like terms: y + y = 2y
2y = 180

Solving
2y = 180

Solving for variable 'y'.

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

Divide each side by '2'.
y = 90

Simplifying
y = 90

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