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8(k-7)=2(5k+2)
We move all terms to the left:
8(k-7)-(2(5k+2))=0
We multiply parentheses
8k-(2(5k+2))-56=0
We calculate terms in parentheses: -(2(5k+2)), so:We get rid of parentheses
2(5k+2)
We multiply parentheses
10k+4
Back to the equation:
-(10k+4)
8k-10k-4-56=0
We add all the numbers together, and all the variables
-2k-60=0
We move all terms containing k to the left, all other terms to the right
-2k=60
k=60/-2
k=-30
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