7+2=9-10

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Solution for 7+2=9-10 equation: 


Simplifying
7 + 2 = 9 + -10

Combine like terms: 7 + 2 = 9
9 = 9 + -10

Combine like terms: 9 + -10 = -1
9 = -1

Solving
9 = -1

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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