3z/8=-21

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Solution for 3z/8=-21 equation: 



3z/8=-21

We move all terms to the left:

3z/8-(-21)=0

We add all the numbers together, and all the variables

3z/8+21=0

We multiply all the terms by the denominator


3z+21*8=0

We add all the numbers together, and all the variables

3z+168=0

We move all terms containing z to the left, all other terms to the right

3z=-168

z=-168/3

z=-56

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