7r-2+5r=6r+6-4r.

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Solution for 7r-2+5r=6r+6-4r. equation: 



7r-2+5r=6r+6-4r.

We move all terms to the left:

7r-2+5r-(6r+6-4r.)=0

We add all the numbers together, and all the variables

7r+5r-(6r-4r.+6)-2=0

We add all the numbers together, and all the variables

12r-(6r-4r.+6)-2=0

We get rid of parentheses

12r-6r+4r.-6-2=0

We add all the numbers together, and all the variables

6r+4r.-8=0

We move all terms containing r to the left, all other terms to the right

6r+4r.=8

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