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2(a+2)=17.2
We move all terms to the left:
2(a+2)-(17.2)=0
We add all the numbers together, and all the variables
2(a+2)-17.2=0
We multiply parentheses
2a+4-17.2=0
We add all the numbers together, and all the variables
2a-13.2=0
We move all terms containing a to the left, all other terms to the right
2a=13.2
a=13.2/2
a=6+1/1.6666666666667
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