10.8-.2*3=x

Solution for 10.8-.2*3=x equation:

Simplifying
10.8 + -0.2 * 3 = x

Multiply -0.2 * 3
10.8 + -0.6 = x

Combine like terms: 10.8 + -0.6 = 10.2
10.2 = x

Solving
10.2 = x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
10.2 + -1x = x + -1x

Combine like terms: x + -1x = 0
10.2 + -1x = 0

Add '-10.2' to each side of the equation.
10.2 + -10.2 + -1x = 0 + -10.2

Combine like terms: 10.2 + -10.2 = 0.0
0.0 + -1x = 0 + -10.2
-1x = 0 + -10.2

Combine like terms: 0 + -10.2 = -10.2
-1x = -10.2

Divide each side by '-1'.
x = 10.2

Simplifying
x = 10.2