z/20+1/20=7

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Solution for z/20+1/20=7 equation: 



z/20+1/20=7

We move all terms to the left:

z/20+1/20-(7)=0

determiningTheFunctionDomain
z/20-7+1/20=0

We multiply all the terms by the denominator


z+1-7*20=0

We add all the numbers together, and all the variables

z-139=0

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

z=139

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