105-12e=21

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Solution for 105-12e=21 equation: 


Simplifying
105 + -12e = 21

Solving
105 + -12e = 21

Solving for variable 'e'.

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

Add '-105' to each side of the equation.
105 + -105 + -12e = 21 + -105

Combine like terms: 105 + -105 = 0
0 + -12e = 21 + -105
-12e = 21 + -105

Combine like terms: 21 + -105 = -84
-12e = -84

Divide each side by '-12'.
e = 7

Simplifying
e = 7

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