13-4=9-8

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Solution for 13-4=9-8 equation: 


Simplifying
13 + -4 = 9 + -8

Combine like terms: 13 + -4 = 9
9 = 9 + -8

Combine like terms: 9 + -8 = 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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