3(2+3x)+21x=

Solution for 3(2+3x)+21x= equation:

Simplifying
3(2 + 3x) + 21x = 0
(2 * 3 + 3x * 3) + 21x = 0
(6 + 9x) + 21x = 0

Combine like terms: 9x + 21x = 30x
6 + 30x = 0

Solving
6 + 30x = 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 + 30x = 0 + -6

Combine like terms: 6 + -6 = 0
0 + 30x = 0 + -6
30x = 0 + -6

Combine like terms: 0 + -6 = -6
30x = -6

Divide each side by '30'.
x = -0.2

Simplifying
x = -0.2