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8(7-z)/7=-7
We move all terms to the left:
8(7-z)/7-(-7)=0
We add all the numbers together, and all the variables
8(-1z+7)/7-(-7)=0
We add all the numbers together, and all the variables
8(-1z+7)/7+7=0
We multiply all the terms by the denominator
8(-1z+7)+7*7=0
We add all the numbers together, and all the variables
8(-1z+7)+49=0
We multiply parentheses
-8z+56+49=0
We add all the numbers together, and all the variables
-8z+105=0
We move all terms containing z to the left, all other terms to the right
-8z=-105
z=-105/-8
z=13+1/8
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