42=LIFE

Solution for 42=LIFE equation:

Simplifying
42 = LIFE

Solving
42 = EFIL

Solving for variable 'E'.

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

Add '-1EFIL' to each side of the equation.
42 + -1EFIL = EFIL + -1EFIL

Combine like terms: EFIL + -1EFIL = 0
42 + -1EFIL = 0

Add '-42' to each side of the equation.
42 + -42 + -1EFIL = 0 + -42

Combine like terms: 42 + -42 = 0
0 + -1EFIL = 0 + -42
-1EFIL = 0 + -42

Combine like terms: 0 + -42 = -42
-1EFIL = -42

Divide each side by '-1FIL'.
E = 42F-1I-1L-1

Simplifying
E = 42F-1I-1L-1