111=3+3(5x+6)

Solution for 111=3+3(5x+6) equation:

Simplifying
111 = 3 + 3(5x + 6)

Reorder the terms:
111 = 3 + 3(6 + 5x)
111 = 3 + (6 * 3 + 5x * 3)
111 = 3 + (18 + 15x)

Combine like terms: 3 + 18 = 21
111 = 21 + 15x

Solving
111 = 21 + 15x

Solving for variable 'x'.

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

Add '-15x' to each side of the equation.
111 + -15x = 21 + 15x + -15x

Combine like terms: 15x + -15x = 0
111 + -15x = 21 + 0
111 + -15x = 21

Add '-111' to each side of the equation.
111 + -111 + -15x = 21 + -111

Combine like terms: 111 + -111 = 0
0 + -15x = 21 + -111
-15x = 21 + -111

Combine like terms: 21 + -111 = -90
-15x = -90

Divide each side by '-15'.
x = 6

Simplifying
x = 6