3(4x+1)+9x=

Solution for 3(4x+1)+9x= equation:

Simplifying
3(4x + 1) + 9x = 0

Reorder the terms:
3(1 + 4x) + 9x = 0
(1 * 3 + 4x * 3) + 9x = 0
(3 + 12x) + 9x = 0

Combine like terms: 12x + 9x = 21x
3 + 21x = 0

Solving
3 + 21x = 0

Solving for variable 'x'.

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

Add '-3' to each side of the equation.
3 + -3 + 21x = 0 + -3

Combine like terms: 3 + -3 = 0
0 + 21x = 0 + -3
21x = 0 + -3

Combine like terms: 0 + -3 = -3
21x = -3

Divide each side by '21'.
x = -0.1428571429

Simplifying
x = -0.1428571429