.3-(.9+9k)=

Solution for .3-(.9+9k)= equation:

Simplifying
0.3 + -1(0.9 + 9k) = 0
0.3 + (0.9 * -1 + 9k * -1) = 0
0.3 + (-0.9 + -9k) = 0

Combine like terms: 0.3 + -0.9 = -0.6
-0.6 + -9k = 0

Solving
-0.6 + -9k = 0

Solving for variable 'k'.

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

Add '0.6' to each side of the equation.
-0.6 + 0.6 + -9k = 0 + 0.6

Combine like terms: -0.6 + 0.6 = 0.0
0.0 + -9k = 0 + 0.6
-9k = 0 + 0.6

Combine like terms: 0 + 0.6 = 0.6
-9k = 0.6

Divide each side by '-9'.
k = -0.06666666667

Simplifying
k = -0.06666666667