7-4a=16-a

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Solution for 7-4a=16-a equation: 



7-4a=16-a

We move all terms to the left:

7-4a-(16-a)=0

We add all the numbers together, and all the variables

-4a-(-1a+16)+7=0

We get rid of parentheses

-4a+1a-16+7=0

We add all the numbers together, and all the variables

-3a-9=0

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

-3a=9

a=9/-3

a=-3

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