z-7/20=9/20

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Solution for z-7/20=9/20 equation: 



z-7/20=9/20

We move all terms to the left:

z-7/20-(9/20)=0

We add all the numbers together, and all the variables

z-7/20-(+9/20)=0

We get rid of parentheses

z-7/20-9/20=0

We multiply all the terms by the denominator


z*20-7-9=0

We add all the numbers together, and all the variables

z*20-16=0

Wy multiply elements

20z-16=0

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

20z=16

z=16/20

z=4/5

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