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-.2e+5+.6e=30+7
We move all terms to the left:
-.2e+5+.6e-(30+7)=0
We add all the numbers together, and all the variables
-.2e+.6e+5-37=0
We add all the numbers together, and all the variables
0.4e-32=0
We move all terms containing e to the left, all other terms to the right
0.4e=32
e=32/0.4
e=80
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