42=-7e

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Solution for 42=-7e equation:


42=-7e

We simplify the equation to the form, which is simple to understand 
42=-7e

We move all terms containing e to the left and all other terms to the right. 
+7e=-42

We simplify left and right side of the equation. 
+7e=-42

We divide both sides of the equation by 07 to get e. 
e=-6

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