12-e=15

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Solution for 12-e=15 equation:


Simplifying
12 + -1e = 15

Solving
12 + -1e = 15

Solving for variable 'e'.

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

Add '-12' to each side of the equation.
12 + -12 + -1e = 15 + -12

Combine like terms: 12 + -12 = 0
0 + -1e = 15 + -12
-1e = 15 + -12

Combine like terms: 15 + -12 = 3
-1e = 3

Divide each side by '-1'.
e = -3

Simplifying
e = -3

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