(3y+100)+(y+80)=180

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Solution for (3y+100)+(y+80)=180 equation: 


Simplifying
(3y + 100) + (y + 80) = 180

Reorder the terms:
(100 + 3y) + (y + 80) = 180

Remove parenthesis around (100 + 3y)
100 + 3y + (y + 80) = 180

Reorder the terms:
100 + 3y + (80 + y) = 180

Remove parenthesis around (80 + y)
100 + 3y + 80 + y = 180

Reorder the terms:
100 + 80 + 3y + y = 180

Combine like terms: 100 + 80 = 180
180 + 3y + y = 180

Combine like terms: 3y + y = 4y
180 + 4y = 180

Add '-180' to each side of the equation.
180 + -180 + 4y = 180 + -180

Combine like terms: 180 + -180 = 0
0 + 4y = 180 + -180
4y = 180 + -180

Combine like terms: 180 + -180 = 0
4y = 0

Solving
4y = 0

Solving for variable 'y'.

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

Divide each side by '4'.
y = 0

Simplifying
y = 0

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