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4z/7+7=-6
We move all terms to the left:
4z/7+7-(-6)=0
We add all the numbers together, and all the variables
4z/7+13=0
We multiply all the terms by the denominator
4z+13*7=0
We add all the numbers together, and all the variables
4z+91=0
We move all terms containing z to the left, all other terms to the right
4z=-91
z=-91/4
z=-22+3/4
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