3(x+4)+8x=111

Solution for 3(x+4)+8x=111 equation:

Simplifying
3(x + 4) + 8x = 111

Reorder the terms:
3(4 + x) + 8x = 111
(4 * 3 + x * 3) + 8x = 111
(12 + 3x) + 8x = 111

Combine like terms: 3x + 8x = 11x
12 + 11x = 111

Solving
12 + 11x = 111

Solving for variable 'x'.

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

Add '-12' to each side of the equation.
12 + -12 + 11x = 111 + -12

Combine like terms: 12 + -12 = 0
0 + 11x = 111 + -12
11x = 111 + -12

Combine like terms: 111 + -12 = 99
11x = 99

Divide each side by '11'.
x = 9

Simplifying
x = 9