247=-5(6r-2)-3

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Solution for 247=-5(6r-2)-3 equation:



247=-5(6r-2)-3
We move all terms to the left:
247-(-5(6r-2)-3)=0
We calculate terms in parentheses: -(-5(6r-2)-3), so:
-5(6r-2)-3
We multiply parentheses
-30r+10-3
We add all the numbers together, and all the variables
-30r+7
Back to the equation:
-(-30r+7)
We get rid of parentheses
30r-7+247=0
We add all the numbers together, and all the variables
30r+240=0
We move all terms containing r to the left, all other terms to the right
30r=-240
r=-240/30
r=-8

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