7=z/1.21

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Solution for 7=z/1.21 equation: 



7=z/1.21

We move all terms to the left:

7-(z/1.21)=0

We add all the numbers together, and all the variables

-(+z/1.21)+7=0

We get rid of parentheses

-z/1.21+7=0

We multiply all the terms by the denominator


-z+7*1.21=0

We add all the numbers together, and all the variables

-1z+8.47=0

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

-z=-8.47

z=-8.47/-1

z=8+0.47/1

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