12-e=5

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Solution for 12-e=5 equation: 


Simplifying
12 + -1e = 5

Solving
12 + -1e = 5

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 = 5 + -12

Combine like terms: 12 + -12 = 0
0 + -1e = 5 + -12
-1e = 5 + -12

Combine like terms: 5 + -12 = -7
-1e = -7

Divide each side by '-1'.
e = 7

Simplifying
e = 7

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