3(4x+5)-9=

Solution for 3(4x+5)-9= equation:

Simplifying
3(4x + 5) + -9 = 0

Reorder the terms:
3(5 + 4x) + -9 = 0
(5 * 3 + 4x * 3) + -9 = 0
(15 + 12x) + -9 = 0

Reorder the terms:
15 + -9 + 12x = 0

Combine like terms: 15 + -9 = 6
6 + 12x = 0

Solving
6 + 12x = 0

Solving for variable 'x'.

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

Add '-6' to each side of the equation.
6 + -6 + 12x = 0 + -6

Combine like terms: 6 + -6 = 0
0 + 12x = 0 + -6
12x = 0 + -6

Combine like terms: 0 + -6 = -6
12x = -6

Divide each side by '12'.
x = -0.5

Simplifying
x = -0.5