7r-4-7r=-5

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Solution for 7r-4-7r=-5 equation: 


Simplifying
7r + -4 + -7r = -5

Reorder the terms:
-4 + 7r + -7r = -5

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

Solving
-4 = -5

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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