0.1(0.1x+0.3)=-0.2

Solution for 0.1(0.1x+0.3)=-0.2 equation:

Simplifying
0.1(0.1x + 0.3) = -0.2

Reorder the terms:
0.1(0.3 + 0.1x) = -0.2
(0.3 * 0.1 + 0.1x * 0.1) = -0.2
(0.03 + 0.01x) = -0.2

Solving
0.03 + 0.01x = -0.2

Solving for variable 'x'.

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

Add '-0.03' to each side of the equation.
0.03 + -0.03 + 0.01x = -0.2 + -0.03

Combine like terms: 0.03 + -0.03 = 0.00
0.00 + 0.01x = -0.2 + -0.03
0.01x = -0.2 + -0.03

Combine like terms: -0.2 + -0.03 = -0.23
0.01x = -0.23

Divide each side by '0.01'.
x = -23

Simplifying
x = -23