7-7=4-5

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Solution for 7-7=4-5 equation: 


Simplifying
7 + -7 = 4 + -5

Combine like terms: 7 + -7 = 0
0 = 4 + -5

Combine like terms: 4 + -5 = -1
0 = -1

Solving
0 = -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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