3ab+7ab-12ab=-2ab

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Solution for 3ab+7ab-12ab=-2ab equation: 


Simplifying
3ab + 7ab + -12ab = -2ab

Combine like terms: 3ab + 7ab = 10ab
10ab + -12ab = -2ab

Combine like terms: 10ab + -12ab = -2ab
-2ab = -2ab

Add '2ab' to each side of the equation.
-2ab + 2ab = -2ab + 2ab

Combine like terms: -2ab + 2ab = 0
0 = -2ab + 2ab

Combine like terms: -2ab + 2ab = 0
0 = 0

Solving
0 = 0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.

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