97=-8k-7(k-1)

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Solution for 97=-8k-7(k-1) equation:



97=-8k-7(k-1)
We move all terms to the left:
97-(-8k-7(k-1))=0
We calculate terms in parentheses: -(-8k-7(k-1)), so:
-8k-7(k-1)
We multiply parentheses
-8k-7k+7
We add all the numbers together, and all the variables
-15k+7
Back to the equation:
-(-15k+7)
We get rid of parentheses
15k-7+97=0
We add all the numbers together, and all the variables
15k+90=0
We move all terms containing k to the left, all other terms to the right
15k=-90
k=-90/15
k=-6

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