18-.4(16)=x

Solution for 18-.4(16)=x equation:

Simplifying
18 + -0.4(16) = x

Multiply -0.4 * 16
18 + -6.4 = x

Combine like terms: 18 + -6.4 = 11.6
11.6 = x

Solving
11.6 = 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.
11.6 + -1x = x + -1x

Combine like terms: x + -1x = 0
11.6 + -1x = 0

Add '-11.6' to each side of the equation.
11.6 + -11.6 + -1x = 0 + -11.6

Combine like terms: 11.6 + -11.6 = 0.0
0.0 + -1x = 0 + -11.6
-1x = 0 + -11.6

Combine like terms: 0 + -11.6 = -11.6
-1x = -11.6

Divide each side by '-1'.
x = 11.6

Simplifying
x = 11.6