2(12e+45.5)+2e=78

Solution for 2(12e+45.5)+2e=78 equation:

Simplifying
2(12e + 45.5) + 2e = 78

Reorder the terms:
2(45.5 + 12e) + 2e = 78
(45.5 * 2 + 12e * 2) + 2e = 78
(91 + 24e) + 2e = 78

Combine like terms: 24e + 2e = 26e
91 + 26e = 78

Solving
91 + 26e = 78

Solving for variable 'e'.

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

Add '-91' to each side of the equation.
91 + -91 + 26e = 78 + -91

Combine like terms: 91 + -91 = 0
0 + 26e = 78 + -91
26e = 78 + -91

Combine like terms: 78 + -91 = -13
26e = -13

Divide each side by '26'.
e = -0.5

Simplifying
e = -0.5