5r+2r-7r=

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Solution for 5r+2r-7r= equation: 


Simplifying
5r + 2r + -7r = 0

Combine like terms: 5r + 2r = 7r
7r + -7r = 0

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

Solving
0 = 0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.

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