3(r-1)-8r=-3(1-5r)

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Solution for 3(r-1)-8r=-3(1-5r) equation: 



3(r-1)-8r=-3(1-5r)

We move all terms to the left:

3(r-1)-8r-(-3(1-5r))=0

We add all the numbers together, and all the variables

3(r-1)-8r-(-3(-5r+1))=0

We add all the numbers together, and all the variables

-8r+3(r-1)-(-3(-5r+1))=0

We multiply parentheses

-8r+3r-(-3(-5r+1))-3=0



We calculate terms in parentheses: -(-3(-5r+1)), so:

-3(-5r+1)

We multiply parentheses

15r-3

Back to the equation:

-(15r-3)



We add all the numbers together, and all the variables

-5r-(15r-3)-3=0

We get rid of parentheses

-5r-15r+3-3=0

We add all the numbers together, and all the variables

-20r=0

r=0/-20

r=0

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