2MN+7MN=7+9MN

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Solution for 2MN+7MN=7+9MN equation: 


Simplifying
2MN + 7MN = 7 + 9MN

Combine like terms: 2MN + 7MN = 9MN
9MN = 7 + 9MN

Add '-9MN' to each side of the equation.
9MN + -9MN = 7 + 9MN + -9MN

Combine like terms: 9MN + -9MN = 0
0 = 7 + 9MN + -9MN

Combine like terms: 9MN + -9MN = 0
0 = 7 + 0
0 = 7

Solving
0 = 7

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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