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4z/7+7=-8
We move all terms to the left:
4z/7+7-(-8)=0
We add all the numbers together, and all the variables
4z/7+15=0
We multiply all the terms by the denominator
4z+15*7=0
We add all the numbers together, and all the variables
4z+105=0
We move all terms containing z to the left, all other terms to the right
4z=-105
z=-105/4
z=-26+1/4
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