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a+1.2-(a-2.4)=3.6
We move all terms to the left:
a+1.2-(a-2.4)-(3.6)=0
We add all the numbers together, and all the variables
a-(a-2.4)-2.4=0
We get rid of parentheses
a-a+2.4-2.4=0
We add all the numbers together, and all the variables
=0
a=0/1
a=0
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