(x^4)*e(x)-7=0

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Solution for (x^4)*e(x)-7=0 equation: 


Simplifying
(x4) * e(x) + -7 = 0

Multiply x4 * e
ex4 * x + -7 = 0

Multiply ex4 * x
ex5 + -7 = 0

Reorder the terms:
-7 + ex5 = 0

Solving
-7 + ex5 = 0

Solving for variable 'e'.

Move all terms containing e to the left, all other terms to the right.

Add '7' to each side of the equation.
-7 + 7 + ex5 = 0 + 7

Combine like terms: -7 + 7 = 0
0 + ex5 = 0 + 7
ex5 = 0 + 7

Combine like terms: 0 + 7 = 7
ex5 = 7

Divide each side by 'x5'.
e = 7x-5

Simplifying
e = 7x-5

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