-9y-12=8-4y

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Solution for -9y-12=8-4y equation:


Simplifying
-9y + -12 = 8 + -4y

Reorder the terms:
-12 + -9y = 8 + -4y

Solving
-12 + -9y = 8 + -4y

Solving for variable 'y'.

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

Add '4y' to each side of the equation.
-12 + -9y + 4y = 8 + -4y + 4y

Combine like terms: -9y + 4y = -5y
-12 + -5y = 8 + -4y + 4y

Combine like terms: -4y + 4y = 0
-12 + -5y = 8 + 0
-12 + -5y = 8

Add '12' to each side of the equation.
-12 + 12 + -5y = 8 + 12

Combine like terms: -12 + 12 = 0
0 + -5y = 8 + 12
-5y = 8 + 12

Combine like terms: 8 + 12 = 20
-5y = 20

Divide each side by '-5'.
y = -4

Simplifying
y = -4

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