3r+6r=-5+4r

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Solution for 3r+6r=-5+4r equation: 



3r+6r=-5+4r

We move all terms to the left:

3r+6r-(-5+4r)=0

We add all the numbers together, and all the variables

3r+6r-(4r-5)=0

We add all the numbers together, and all the variables

9r-(4r-5)=0

We get rid of parentheses

9r-4r+5=0

We add all the numbers together, and all the variables

5r+5=0

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

5r=-5

r=-5/5

r=-1

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