-1=-3+a/7

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Solution for -1=-3+a/7 equation: 



-1=-3+a/7

We move all terms to the left:

-1-(-3+a/7)=0

We add all the numbers together, and all the variables

-(a/7-3)-1=0

We get rid of parentheses

-a/7+3-1=0

We multiply all the terms by the denominator


-a+3*7-1*7=0

We add all the numbers together, and all the variables

-1a+14=0

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

-a=-14

a=-14/-1

a=+14

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