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0.2(a-2)=0.3a+5-3+0.1a
We move all terms to the left:
0.2(a-2)-(0.3a+5-3+0.1a)=0
We add all the numbers together, and all the variables
0.2(a-2)-(0.4a+2)=0
We multiply parentheses
0.2a-(0.4a+2)-0.4=0
We get rid of parentheses
0.2a-0.4a-2-0.4=0
We add all the numbers together, and all the variables
-0.2a-2.4=0
We move all terms containing a to the left, all other terms to the right
-0.2a=2.4
a=2.4/-0.2
a=-11+0.2/0.2
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