(4y+7)+(9y+4)=180

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Solution for (4y+7)+(9y+4)=180 equation:


Simplifying
(4y + 7) + (9y + 4) = 180

Reorder the terms:
(7 + 4y) + (9y + 4) = 180

Remove parenthesis around (7 + 4y)
7 + 4y + (9y + 4) = 180

Reorder the terms:
7 + 4y + (4 + 9y) = 180

Remove parenthesis around (4 + 9y)
7 + 4y + 4 + 9y = 180

Reorder the terms:
7 + 4 + 4y + 9y = 180

Combine like terms: 7 + 4 = 11
11 + 4y + 9y = 180

Combine like terms: 4y + 9y = 13y
11 + 13y = 180

Solving
11 + 13y = 180

Solving for variable 'y'.

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

Add '-11' to each side of the equation.
11 + -11 + 13y = 180 + -11

Combine like terms: 11 + -11 = 0
0 + 13y = 180 + -11
13y = 180 + -11

Combine like terms: 180 + -11 = 169
13y = 169

Divide each side by '13'.
y = 13

Simplifying
y = 13

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