30=6(5r-10)

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Solution for 30=6(5r-10) equation: 



30=6(5r-10)

We move all terms to the left:

30-(6(5r-10))=0



We calculate terms in parentheses: -(6(5r-10)), so:

6(5r-10)

We multiply parentheses

30r-60

Back to the equation:

-(30r-60)



We get rid of parentheses

-30r+60+30=0

We add all the numbers together, and all the variables

-30r+90=0

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

-30r=-90

r=-90/-30

r=+3

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