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3z/7-5=-6
We move all terms to the left:
3z/7-5-(-6)=0
We add all the numbers together, and all the variables
3z/7+1=0
We multiply all the terms by the denominator
3z+1*7=0
We add all the numbers together, and all the variables
3z+7=0
We move all terms containing z to the left, all other terms to the right
3z=-7
z=-7/3
z=-2+1/3
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