4(1-3)-r+2r=5(3r-7)-9r

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Solution for 4(1-3)-r+2r=5(3r-7)-9r equation: 



4(1-3)-r+2r=5(3r-7)-9r

We move all terms to the left:

4(1-3)-r+2r-(5(3r-7)-9r)=0

We add all the numbers together, and all the variables

-r+2r-(5(3r-7)-9r)+4(-2)=0

We add all the numbers together, and all the variables

r-(5(3r-7)-9r)-8=0



We calculate terms in parentheses: -(5(3r-7)-9r), so:

5(3r-7)-9r

We add all the numbers together, and all the variables

-9r+5(3r-7)

We multiply parentheses

-9r+15r-35

We add all the numbers together, and all the variables

6r-35

Back to the equation:

-(6r-35)



We get rid of parentheses

r-6r+35-8=0

We add all the numbers together, and all the variables

-5r+27=0

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

-5r=-27

r=-27/-5

r=5+2/5

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