5e-4=21

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Solution for 5e-4=21 equation:


Simplifying
5e + -4 = 21

Reorder the terms:
-4 + 5e = 21

Solving
-4 + 5e = 21

Solving for variable 'e'.

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

Add '4' to each side of the equation.
-4 + 4 + 5e = 21 + 4

Combine like terms: -4 + 4 = 0
0 + 5e = 21 + 4
5e = 21 + 4

Combine like terms: 21 + 4 = 25
5e = 25

Divide each side by '5'.
e = 5

Simplifying
e = 5

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