-21=5e+9

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Solution for -21=5e+9 equation:


Simplifying
-21 = 5e + 9

Reorder the terms:
-21 = 9 + 5e

Solving
-21 = 9 + 5e

Solving for variable 'e'.

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

Add '-5e' to each side of the equation.
-21 + -5e = 9 + 5e + -5e

Combine like terms: 5e + -5e = 0
-21 + -5e = 9 + 0
-21 + -5e = 9

Add '21' to each side of the equation.
-21 + 21 + -5e = 9 + 21

Combine like terms: -21 + 21 = 0
0 + -5e = 9 + 21
-5e = 9 + 21

Combine like terms: 9 + 21 = 30
-5e = 30

Divide each side by '-5'.
e = -6

Simplifying
e = -6

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