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-2=7(k+1)-8(8-6k)
We move all terms to the left:
-2-(7(k+1)-8(8-6k))=0
We add all the numbers together, and all the variables
-(7(k+1)-8(-6k+8))-2=0
We calculate terms in parentheses: -(7(k+1)-8(-6k+8)), so:We get rid of parentheses
7(k+1)-8(-6k+8)
We multiply parentheses
7k+48k+7-64
We add all the numbers together, and all the variables
55k-57
Back to the equation:
-(55k-57)
-55k+57-2=0
We add all the numbers together, and all the variables
-55k+55=0
We move all terms containing k to the left, all other terms to the right
-55k=-55
k=-55/-55
k=1
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