z/21=12

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Solution for z/21=12 equation: 



z/21=12

We move all terms to the left:

z/21-(12)=0

We multiply all the terms by the denominator


z-12*21=0

We add all the numbers together, and all the variables

z-252=0

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

z=252

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