4(e-9)=2e+42

Solution for 4(e-9)=2e+42 equation:

Simplifying
4(e + -9) = 2e + 42

Reorder the terms:
4(-9 + e) = 2e + 42
(-9 * 4 + e * 4) = 2e + 42
(-36 + 4e) = 2e + 42

Reorder the terms:
-36 + 4e = 42 + 2e

Solving
-36 + 4e = 42 + 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.
-36 + 4e + -2e = 42 + 2e + -2e

Combine like terms: 4e + -2e = 2e
-36 + 2e = 42 + 2e + -2e

Combine like terms: 2e + -2e = 0
-36 + 2e = 42 + 0
-36 + 2e = 42

Add '36' to each side of the equation.
-36 + 36 + 2e = 42 + 36

Combine like terms: -36 + 36 = 0
0 + 2e = 42 + 36
2e = 42 + 36

Combine like terms: 42 + 36 = 78
2e = 78

Divide each side by '2'.
e = 39

Simplifying
e = 39