5r-4+2r=8r-4

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Solution for 5r-4+2r=8r-4 equation: 



5r-4+2r=8r-4

We move all terms to the left:

5r-4+2r-(8r-4)=0

We add all the numbers together, and all the variables

7r-(8r-4)-4=0

We get rid of parentheses

7r-8r+4-4=0

We add all the numbers together, and all the variables

-r=0

r=0/-1

r=0

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