0.2(x+3)-0.4(x+3)=

Solution for 0.2(x+3)-0.4(x+3)= equation:

Simplifying
0.2(x + 3) + -0.4(x + 3) = 0

Reorder the terms:
0.2(3 + x) + -0.4(x + 3) = 0
(3 * 0.2 + x * 0.2) + -0.4(x + 3) = 0
(0.6 + 0.2x) + -0.4(x + 3) = 0

Reorder the terms:
0.6 + 0.2x + -0.4(3 + x) = 0
0.6 + 0.2x + (3 * -0.4 + x * -0.4) = 0
0.6 + 0.2x + (-1.2 + -0.4x) = 0

Reorder the terms:
0.6 + -1.2 + 0.2x + -0.4x = 0

Combine like terms: 0.6 + -1.2 = -0.6
-0.6 + 0.2x + -0.4x = 0

Combine like terms: 0.2x + -0.4x = -0.2x
-0.6 + -0.2x = 0

Solving
-0.6 + -0.2x = 0

Solving for variable 'x'.

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

Add '0.6' to each side of the equation.
-0.6 + 0.6 + -0.2x = 0 + 0.6

Combine like terms: -0.6 + 0.6 = 0.0
0.0 + -0.2x = 0 + 0.6
-0.2x = 0 + 0.6

Combine like terms: 0 + 0.6 = 0.6
-0.2x = 0.6

Divide each side by '-0.2'.
x = -3

Simplifying
x = -3