7r-24=8(r-3)+3

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Solution for 7r-24=8(r-3)+3 equation: 



7r-24=8(r-3)+3

We move all terms to the left:

7r-24-(8(r-3)+3)=0



We calculate terms in parentheses: -(8(r-3)+3), so:

8(r-3)+3

We multiply parentheses

8r-24+3

We add all the numbers together, and all the variables

8r-21

Back to the equation:

-(8r-21)



We get rid of parentheses

7r-8r+21-24=0

We add all the numbers together, and all the variables

-1r-3=0

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

-r=3

r=3/-1

r=-3

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