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0.3(a-2)-2.1=1.5
We move all terms to the left:
0.3(a-2)-2.1-(1.5)=0
We add all the numbers together, and all the variables
0.3(a-2)-3.6=0
We multiply parentheses
0.3a-0.6-3.6=0
We add all the numbers together, and all the variables
0.3a-4.2=0
We move all terms containing a to the left, all other terms to the right
0.3a=4.2
a=4.2/0.3
a=14
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