-9y-12=3y+12

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Solution for -9y-12=3y+12 equation:


Simplifying
-9y + -12 = 3y + 12

Reorder the terms:
-12 + -9y = 3y + 12

Reorder the terms:
-12 + -9y = 12 + 3y

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

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

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

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

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

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

Divide each side by '-12'.
y = -2

Simplifying
y = -2

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