3y+y-12=5y+9-y-12

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Solution for 3y+y-12=5y+9-y-12 equation: 


Simplifying
3y + y + -12 = 5y + 9 + -1y + -12

Reorder the terms:
-12 + 3y + y = 5y + 9 + -1y + -12

Combine like terms: 3y + y = 4y
-12 + 4y = 5y + 9 + -1y + -12

Reorder the terms:
-12 + 4y = 9 + -12 + 5y + -1y

Combine like terms: 9 + -12 = -3
-12 + 4y = -3 + 5y + -1y

Combine like terms: 5y + -1y = 4y
-12 + 4y = -3 + 4y

Add '-4y' to each side of the equation.
-12 + 4y + -4y = -3 + 4y + -4y

Combine like terms: 4y + -4y = 0
-12 + 0 = -3 + 4y + -4y
-12 = -3 + 4y + -4y

Combine like terms: 4y + -4y = 0
-12 = -3 + 0
-12 = -3

Solving
-12 = -3

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.

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