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-7/8=-28k
We move all terms to the left:
-7/8-(-28k)=0
We get rid of parentheses
28k-7/8=0
We multiply all the terms by the denominator
28k*8-7=0
Wy multiply elements
224k-7=0
We move all terms containing k to the left, all other terms to the right
224k=7
k=7/224
k=1/32
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