e+3=15

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Solution for e+3=15 equation: 


Simplifying
e + 3 = 15

Reorder the terms:
3 + e = 15

Solving
3 + e = 15

Solving for variable 'e'.

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

Add '-3' to each side of the equation.
3 + -3 + e = 15 + -3

Combine like terms: 3 + -3 = 0
0 + e = 15 + -3
e = 15 + -3

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

Simplifying
e = 12

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