0.3(20)-x=0.1(20-x)

Solution for 0.3(20)-x=0.1(20-x) equation:

Simplifying
0.3(20) + -1x = 0.1(20 + -1x)

Multiply 0.3 * 20
6 + -1x = 0.1(20 + -1x)
6 + -1x = (20 * 0.1 + -1x * 0.1)
6 + -1x = (2 + -0.1x)

Solving
6 + -1x = 2 + -0.1x

Solving for variable 'x'.

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

Add '0.1x' to each side of the equation.
6 + -1x + 0.1x = 2 + -0.1x + 0.1x

Combine like terms: -1x + 0.1x = -0.9x
6 + -0.9x = 2 + -0.1x + 0.1x

Combine like terms: -0.1x + 0.1x = 0.0
6 + -0.9x = 2 + 0.0
6 + -0.9x = 2

Add '-6' to each side of the equation.
6 + -6 + -0.9x = 2 + -6

Combine like terms: 6 + -6 = 0
0 + -0.9x = 2 + -6
-0.9x = 2 + -6

Combine like terms: 2 + -6 = -4
-0.9x = -4

Divide each side by '-0.9'.
x = 4.444444444

Simplifying
x = 4.444444444