8-5e=21

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Solution for 8-5e=21 equation: 


Simplifying
8 + -5e = 21

Solving
8 + -5e = 21

Solving for variable 'e'.

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

Add '-8' to each side of the equation.
8 + -8 + -5e = 21 + -8

Combine like terms: 8 + -8 = 0
0 + -5e = 21 + -8
-5e = 21 + -8

Combine like terms: 21 + -8 = 13
-5e = 13

Divide each side by '-5'.
e = -2.6

Simplifying
e = -2.6

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