21e+31-9e=43

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Solution for 21e+31-9e=43 equation:


21e+31-9e=43

We simplify the equation to the form, which is simple to understand 
21e+31-9e=43

We move all terms containing e to the left and all other terms to the right. 
+21e-9e=+43-31

We simplify left and right side of the equation. 
+12e=+12

We divide both sides of the equation by 12 to get e. 
e=1

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