5(r-3)=10(r-3)

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Solution for 5(r-3)=10(r-3) equation: 



5(r-3)=10(r-3)

We move all terms to the left:

5(r-3)-(10(r-3))=0

We multiply parentheses

5r-(10(r-3))-15=0



We calculate terms in parentheses: -(10(r-3)), so:

10(r-3)

We multiply parentheses

10r-30

Back to the equation:

-(10r-30)



We get rid of parentheses

5r-10r+30-15=0

We add all the numbers together, and all the variables

-5r+15=0

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

-5r=-15

r=-15/-5

r=+3

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