9e-12=3e

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Solution for 9e-12=3e equation:


Simplifying
9e + -12 = 3e

Reorder the terms:
-12 + 9e = 3e

Solving
-12 + 9e = 3e

Solving for variable 'e'.

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

Add '-3e' to each side of the equation.
-12 + 9e + -3e = 3e + -3e

Combine like terms: 9e + -3e = 6e
-12 + 6e = 3e + -3e

Combine like terms: 3e + -3e = 0
-12 + 6e = 0

Add '12' to each side of the equation.
-12 + 12 + 6e = 0 + 12

Combine like terms: -12 + 12 = 0
0 + 6e = 0 + 12
6e = 0 + 12

Combine like terms: 0 + 12 = 12
6e = 12

Divide each side by '6'.
e = 2

Simplifying
e = 2

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