0.4x-0.3(x+1)=0

Solution for 0.4x-0.3(x+1)=0 equation:

Simplifying
0.4x + -0.3(x + 1) = 0

Reorder the terms:
0.4x + -0.3(1 + x) = 0
0.4x + (1 * -0.3 + x * -0.3) = 0
0.4x + (-0.3 + -0.3x) = 0

Reorder the terms:
-0.3 + 0.4x + -0.3x = 0

Combine like terms: 0.4x + -0.3x = 0.1x
-0.3 + 0.1x = 0

Solving
-0.3 + 0.1x = 0

Solving for variable 'x'.

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

Add '0.3' to each side of the equation.
-0.3 + 0.3 + 0.1x = 0 + 0.3

Combine like terms: -0.3 + 0.3 = 0.0
0.0 + 0.1x = 0 + 0.3
0.1x = 0 + 0.3

Combine like terms: 0 + 0.3 = 0.3
0.1x = 0.3

Divide each side by '0.1'.
x = 3

Simplifying
x = 3