8(9+y)-12=5(2y+6)

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Solution for 8(9+y)-12=5(2y+6) equation:


Simplifying
8(9 + y) + -12 = 5(2y + 6)
(9 * 8 + y * 8) + -12 = 5(2y + 6)
(72 + 8y) + -12 = 5(2y + 6)

Reorder the terms:
72 + -12 + 8y = 5(2y + 6)

Combine like terms: 72 + -12 = 60
60 + 8y = 5(2y + 6)

Reorder the terms:
60 + 8y = 5(6 + 2y)
60 + 8y = (6 * 5 + 2y * 5)
60 + 8y = (30 + 10y)

Solving
60 + 8y = 30 + 10y

Solving for variable 'y'.

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

Add '-10y' to each side of the equation.
60 + 8y + -10y = 30 + 10y + -10y

Combine like terms: 8y + -10y = -2y
60 + -2y = 30 + 10y + -10y

Combine like terms: 10y + -10y = 0
60 + -2y = 30 + 0
60 + -2y = 30

Add '-60' to each side of the equation.
60 + -60 + -2y = 30 + -60

Combine like terms: 60 + -60 = 0
0 + -2y = 30 + -60
-2y = 30 + -60

Combine like terms: 30 + -60 = -30
-2y = -30

Divide each side by '-2'.
y = 15

Simplifying
y = 15

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