4.5+3a=28.5

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Solution for 4.5+3a=28.5 equation: 



4.5+3a=28.5

We move all terms to the left:

4.5+3a-(28.5)=0

We add all the numbers together, and all the variables

3a-24=0

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

3a=24

a=24/3

a=8

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