28-8=4a-2a+4

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Solution for 28-8=4a-2a+4 equation: 



28-8=4a-2a+4

We move all terms to the left:

28-8-(4a-2a+4)=0

We add all the numbers together, and all the variables

-(2a+4)+28-8=0

We add all the numbers together, and all the variables

-(2a+4)+20=0

We get rid of parentheses

-2a-4+20=0

We add all the numbers together, and all the variables

-2a+16=0

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

-2a=-16

a=-16/-2

a=+8

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