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0.40=0.3a-1.4
We move all terms to the left:
0.40-(0.3a-1.4)=0
We add all the numbers together, and all the variables
-(0.3a-1.4)+0.4=0
We get rid of parentheses
-0.3a+1.4+0.4=0
We add all the numbers together, and all the variables
-0.3a+1.8=0
We move all terms containing a to the left, all other terms to the right
-0.3a=-1.8
a=-1.8/-0.3
a=6+2.2204460492503E-16/0.3
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