3=1+a/7

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Solution for 3=1+a/7 equation: 



3=1+a/7

We move all terms to the left:

3-(1+a/7)=0

We add all the numbers together, and all the variables

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

We get rid of parentheses

-a/7-1+3=0

We multiply all the terms by the denominator


-a-1*7+3*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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