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0.4(4a-3)=1.2
We move all terms to the left:
0.4(4a-3)-(1.2)=0
We add all the numbers together, and all the variables
0.4(4a-3)-1.2=0
We multiply parentheses
1.6a-1.2-1.2=0
We add all the numbers together, and all the variables
1.6a-2.4=0
We move all terms containing a to the left, all other terms to the right
1.6a=2.4
a=2.4/1.6
a=1+0.8/1.6
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