3(r+7)=6(r+2)

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Solution for 3(r+7)=6(r+2) equation:



3(r+7)=6(r+2)
We move all terms to the left:
3(r+7)-(6(r+2))=0
We multiply parentheses
3r-(6(r+2))+21=0
We calculate terms in parentheses: -(6(r+2)), so:
6(r+2)
We multiply parentheses
6r+12
Back to the equation:
-(6r+12)
We get rid of parentheses
3r-6r-12+21=0
We add all the numbers together, and all the variables
-3r+9=0
We move all terms containing r to the left, all other terms to the right
-3r=-9
r=-9/-3
r=+3

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