12.8-0.5y+2.9-0.7y=14-1.2y-3.1

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Solution for 12.8-0.5y+2.9-0.7y=14-1.2y-3.1 equation: 


Simplifying
12.8 + -0.5y + 2.9 + -0.7y = 14 + -1.2y + -3.1

Reorder the terms:
12.8 + 2.9 + -0.5y + -0.7y = 14 + -1.2y + -3.1

Combine like terms: 12.8 + 2.9 = 15.7
15.7 + -0.5y + -0.7y = 14 + -1.2y + -3.1

Combine like terms: -0.5y + -0.7y = -1.2y
15.7 + -1.2y = 14 + -1.2y + -3.1

Reorder the terms:
15.7 + -1.2y = 14 + -3.1 + -1.2y

Combine like terms: 14 + -3.1 = 10.9
15.7 + -1.2y = 10.9 + -1.2y

Add '1.2y' to each side of the equation.
15.7 + -1.2y + 1.2y = 10.9 + -1.2y + 1.2y

Combine like terms: -1.2y + 1.2y = 0.0
15.7 + 0.0 = 10.9 + -1.2y + 1.2y
15.7 = 10.9 + -1.2y + 1.2y

Combine like terms: -1.2y + 1.2y = 0.0
15.7 = 10.9 + 0.0
15.7 = 10.9

Solving
15.7 = 10.9

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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