3-7r=6(r+8)-4r

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Solution for 3-7r=6(r+8)-4r equation: 



3-7r=6(r+8)-4r

We move all terms to the left:

3-7r-(6(r+8)-4r)=0



We calculate terms in parentheses: -(6(r+8)-4r), so:

6(r+8)-4r

We add all the numbers together, and all the variables

-4r+6(r+8)

We multiply parentheses

-4r+6r+48

We add all the numbers together, and all the variables

2r+48

Back to the equation:

-(2r+48)



We get rid of parentheses

-7r-2r-48+3=0

We add all the numbers together, and all the variables

-9r-45=0

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

-9r=45

r=45/-9

r=-5

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