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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We multiply parentheses

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

We get rid of parentheses

0.5a+2a-9+4+3=0

We add all the numbers together, and all the variables

2.5a-2=0

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

2.5a=2

a=2/2.5

a=1/1.25

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