111=-3(5+6x)

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

Simplifying
111 = -3(5 + 6x)
111 = (5 * -3 + 6x * -3)
111 = (-15 + -18x)

Solving
111 = -15 + -18x

Solving for variable 'x'.

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

Add '18x' to each side of the equation.
111 + 18x = -15 + -18x + 18x

Combine like terms: -18x + 18x = 0
111 + 18x = -15 + 0
111 + 18x = -15

Add '-111' to each side of the equation.
111 + -111 + 18x = -15 + -111

Combine like terms: 111 + -111 = 0
0 + 18x = -15 + -111
18x = -15 + -111

Combine like terms: -15 + -111 = -126
18x = -126

Divide each side by '18'.
x = -7

Simplifying
x = -7