-9.1=2.1+v/7

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Solution for -9.1=2.1+v/7 equation: 



-9.1=2.1+v/7

We move all terms to the left:

-9.1-(2.1+v/7)=0

We add all the numbers together, and all the variables

-(v/7+2.1)-9.1=0

We get rid of parentheses

-v/7-2.1-9.1=0

We multiply all the terms by the denominator


-v-(2.1)*7-(9.1)*7=0

We add all the numbers together, and all the variables

-1v-78.4=0

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

-v=78.4

v=78.4/-1

v=-78+0.40000000000001/1

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