-9y-12=-3(y-8)

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Solution for -9y-12=-3(y-8) equation: 


Simplifying
-9y + -12 = -3(y + -8)

Reorder the terms:
-12 + -9y = -3(y + -8)

Reorder the terms:
-12 + -9y = -3(-8 + y)
-12 + -9y = (-8 * -3 + y * -3)
-12 + -9y = (24 + -3y)

Solving
-12 + -9y = 24 + -3y

Solving for variable 'y'.

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

Add '3y' to each side of the equation.
-12 + -9y + 3y = 24 + -3y + 3y

Combine like terms: -9y + 3y = -6y
-12 + -6y = 24 + -3y + 3y

Combine like terms: -3y + 3y = 0
-12 + -6y = 24 + 0
-12 + -6y = 24

Add '12' to each side of the equation.
-12 + 12 + -6y = 24 + 12

Combine like terms: -12 + 12 = 0
0 + -6y = 24 + 12
-6y = 24 + 12

Combine like terms: 24 + 12 = 36
-6y = 36

Divide each side by '-6'.
y = -6

Simplifying
y = -6

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