.9-.4(x-6)=5

Solution for .9-.4(x-6)=5 equation:

Simplifying
0.9 + -0.4(x + -6) = 5

Reorder the terms:
0.9 + -0.4(-6 + x) = 5
0.9 + (-6 * -0.4 + x * -0.4) = 5
0.9 + (2.4 + -0.4x) = 5

Combine like terms: 0.9 + 2.4 = 3.3
3.3 + -0.4x = 5

Solving
3.3 + -0.4x = 5

Solving for variable 'x'.

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

Add '-3.3' to each side of the equation.
3.3 + -3.3 + -0.4x = 5 + -3.3

Combine like terms: 3.3 + -3.3 = 0.0
0.0 + -0.4x = 5 + -3.3
-0.4x = 5 + -3.3

Combine like terms: 5 + -3.3 = 1.7
-0.4x = 1.7

Divide each side by '-0.4'.
x = -4.25

Simplifying
x = -4.25