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0.40x+5=6.2
We move all terms to the left:
0.40x+5-(6.2)=0
We add all the numbers together, and all the variables
0.40x-1.2=0
We move all terms containing x to the left, all other terms to the right
0.40x=1.2
x=1.2/0.40
x=2+0.4/0.40
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