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-a/0.4+1.5=2.75
We move all terms to the left:
-a/0.4+1.5-(2.75)=0
We add all the numbers together, and all the variables
-a/0.4-1.25=0
We multiply all the terms by the denominator
-a-(1.25)*0.4=0
We add all the numbers together, and all the variables
-1a-0.5=0
We move all terms containing a to the left, all other terms to the right
-a=0.5
a=0.5/-1
a=-0.5/1
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