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11k-7=2(4k+4)
We move all terms to the left:
11k-7-(2(4k+4))=0
We calculate terms in parentheses: -(2(4k+4)), so:We get rid of parentheses
2(4k+4)
We multiply parentheses
8k+8
Back to the equation:
-(8k+8)
11k-8k-8-7=0
We add all the numbers together, and all the variables
3k-15=0
We move all terms containing k to the left, all other terms to the right
3k=15
k=15/3
k=5
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