0.20(x+30)+0.20x=

Solution for 0.20(x+30)+0.20x= equation:

Simplifying
0.20(x + 30) + 0.20x = 0

Reorder the terms:
0.20(30 + x) + 0.20x = 0
(30 * 0.20 + x * 0.20) + 0.20x = 0
(6 + 0.20x) + 0.20x = 0

Combine like terms: 0.20x + 0.20x = 0.4x
6 + 0.4x = 0

Solving
6 + 0.4x = 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 + 0.4x = 0 + -6

Combine like terms: 6 + -6 = 0
0 + 0.4x = 0 + -6
0.4x = 0 + -6

Combine like terms: 0 + -6 = -6
0.4x = -6

Divide each side by '0.4'.
x = -15

Simplifying
x = -15