-3+0.5(4a+8)=9-2a

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Solution for -3+0.5(4a+8)=9-2a equation: 



-3+0.5(4a+8)=9-2a

We move all terms to the left:

-3+0.5(4a+8)-(9-2a)=0

We add all the numbers together, and all the variables

0.5(4a+8)-(-2a+9)-3=0

We multiply parentheses

2a-(-2a+9)+4-3=0

We get rid of parentheses

2a+2a-9+4-3=0

We add all the numbers together, and all the variables

4a-8=0

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

4a=8

a=8/4

a=2

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