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0.40=x-12/2
We move all terms to the left:
0.40-(x-12/2)=0
We add all the numbers together, and all the variables
-(x-6)+0.40=0
We add all the numbers together, and all the variables
-(x-6)+0.4=0
We get rid of parentheses
-x+6+0.4=0
We add all the numbers together, and all the variables
-1x+6.4=0
We move all terms containing x to the left, all other terms to the right
-x=-6.4
x=-6.4/-1
x=6+0.4/1
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