4r+r-3=3(3r+4)

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



4r+r-3=3(3r+4)

We move all terms to the left:

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

We add all the numbers together, and all the variables

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



We calculate terms in parentheses: -(3(3r+4)), so:

3(3r+4)

We multiply parentheses

9r+12

Back to the equation:

-(9r+12)



We get rid of parentheses

5r-9r-12-3=0

We add all the numbers together, and all the variables

-4r-15=0

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

-4r=15

r=15/-4

r=-3+3/4

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