(2y+16)+(7y-7)=180

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Solution for (2y+16)+(7y-7)=180 equation: 


Simplifying
(2y + 16) + (7y + -7) = 180

Reorder the terms:
(16 + 2y) + (7y + -7) = 180

Remove parenthesis around (16 + 2y)
16 + 2y + (7y + -7) = 180

Reorder the terms:
16 + 2y + (-7 + 7y) = 180

Remove parenthesis around (-7 + 7y)
16 + 2y + -7 + 7y = 180

Reorder the terms:
16 + -7 + 2y + 7y = 180

Combine like terms: 16 + -7 = 9
9 + 2y + 7y = 180

Combine like terms: 2y + 7y = 9y
9 + 9y = 180

Solving
9 + 9y = 180

Solving for variable 'y'.

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

Add '-9' to each side of the equation.
9 + -9 + 9y = 180 + -9

Combine like terms: 9 + -9 = 0
0 + 9y = 180 + -9
9y = 180 + -9

Combine like terms: 180 + -9 = 171
9y = 171

Divide each side by '9'.
y = 19

Simplifying
y = 19

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