3=2e-5

Solution for 3=2e-5 equation:

Simplifying
3 = 2e + -5

Reorder the terms:
3 = -5 + 2e

Solving
3 = -5 + 2e

Solving for variable 'e'.

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

Add '-2e' to each side of the equation.
3 + -2e = -5 + 2e + -2e

Combine like terms: 2e + -2e = 0
3 + -2e = -5 + 0
3 + -2e = -5

Add '-3' to each side of the equation.
3 + -3 + -2e = -5 + -3

Combine like terms: 3 + -3 = 0
0 + -2e = -5 + -3
-2e = -5 + -3

Combine like terms: -5 + -3 = -8
-2e = -8

Divide each side by '-2'.
e = 4

Simplifying
e = 4