-y-12+6y=9+8y

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Solution for -y-12+6y=9+8y equation:


Simplifying
-1y + -12 + 6y = 9 + 8y

Reorder the terms:
-12 + -1y + 6y = 9 + 8y

Combine like terms: -1y + 6y = 5y
-12 + 5y = 9 + 8y

Solving
-12 + 5y = 9 + 8y

Solving for variable 'y'.

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

Add '-8y' to each side of the equation.
-12 + 5y + -8y = 9 + 8y + -8y

Combine like terms: 5y + -8y = -3y
-12 + -3y = 9 + 8y + -8y

Combine like terms: 8y + -8y = 0
-12 + -3y = 9 + 0
-12 + -3y = 9

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

Combine like terms: -12 + 12 = 0
0 + -3y = 9 + 12
-3y = 9 + 12

Combine like terms: 9 + 12 = 21
-3y = 21

Divide each side by '-3'.
y = -7

Simplifying
y = -7

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