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

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



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

We move all terms to the left:

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



We calculate terms in parentheses: -(7(8r-7)), so:

7(8r-7)

We multiply parentheses

56r-49

Back to the equation:

-(56r-49)



We get rid of parentheses

4r-56r+49+3=0

We add all the numbers together, and all the variables

-52r+52=0

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

-52r=-52

r=-52/-52

r=1

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