7=5+a/2

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Solution for 7=5+a/2 equation: 



7=5+a/2

We move all terms to the left:

7-(5+a/2)=0

We add all the numbers together, and all the variables

-(a/2+5)+7=0

We get rid of parentheses

-a/2-5+7=0

We multiply all the terms by the denominator


-a-5*2+7*2=0

We add all the numbers together, and all the variables

-1a+4=0

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

-a=-4

a=-4/-1

a=+4

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