(4y+8)+(3y-9)+90=180

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Solution for (4y+8)+(3y-9)+90=180 equation:


Simplifying
(4y + 8) + (3y + -9) + 90 = 180

Reorder the terms:
(8 + 4y) + (3y + -9) + 90 = 180

Remove parenthesis around (8 + 4y)
8 + 4y + (3y + -9) + 90 = 180

Reorder the terms:
8 + 4y + (-9 + 3y) + 90 = 180

Remove parenthesis around (-9 + 3y)
8 + 4y + -9 + 3y + 90 = 180

Reorder the terms:
8 + -9 + 90 + 4y + 3y = 180

Combine like terms: 8 + -9 = -1
-1 + 90 + 4y + 3y = 180

Combine like terms: -1 + 90 = 89
89 + 4y + 3y = 180

Combine like terms: 4y + 3y = 7y
89 + 7y = 180

Solving
89 + 7y = 180

Solving for variable 'y'.

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

Add '-89' to each side of the equation.
89 + -89 + 7y = 180 + -89

Combine like terms: 89 + -89 = 0
0 + 7y = 180 + -89
7y = 180 + -89

Combine like terms: 180 + -89 = 91
7y = 91

Divide each side by '7'.
y = 13

Simplifying
y = 13

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