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-0.2e+.5+0.6e=30+7
We move all terms to the left:
-0.2e+.5+0.6e-(30+7)=0
We add all the numbers together, and all the variables
-0.2e+0.6e+.5-37=0
We add all the numbers together, and all the variables
0.4e-36.5=0
We move all terms containing e to the left, all other terms to the right
0.4e=36.5
e=36.5/0.4
e=91+0.1/0.4
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