3=(2e+5t)

Solution for 3=(2e+5t) equation:

Simplifying
3 = (2e + 5t)

Remove parenthesis around (2e + 5t)
3 = 2e + 5t

Solving
3 = 2e + 5t

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 = 2e + -2e + 5t

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

Add '-3' to each side of the equation.
3 + -3 + -2e = -3 + 5t

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

Divide each side by '-2'.
e = 1.5 + -2.5t

Simplifying
e = 1.5 + -2.5t