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6(a+3)=38.4
We move all terms to the left:
6(a+3)-(38.4)=0
We add all the numbers together, and all the variables
6(a+3)-38.4=0
We multiply parentheses
6a+18-38.4=0
We add all the numbers together, and all the variables
6a-20.4=0
We move all terms containing a to the left, all other terms to the right
6a=20.4
a=20.4/6
a=3+1/2.5
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