4e+21=

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Solution for 4e+21= equation: 


Simplifying
4e + 21 = 0

Reorder the terms:
21 + 4e = 0

Solving
21 + 4e = 0

Solving for variable 'e'.

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

Add '-21' to each side of the equation.
21 + -21 + 4e = 0 + -21

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

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

Divide each side by '4'.
e = -5.25

Simplifying
e = -5.25

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