-6=-.66(-9)+b

Solution for -6=-.66(-9)+b equation:

Simplifying
-6 = -0.66(-9) + b

Multiply -0.66 * -9
-6 = 5.94 + b

Solving
-6 = 5.94 + b

Solving for variable 'b'.

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

Add '-1b' to each side of the equation.
-6 + -1b = 5.94 + b + -1b

Combine like terms: b + -1b = 0
-6 + -1b = 5.94 + 0
-6 + -1b = 5.94

Add '6' to each side of the equation.
-6 + 6 + -1b = 5.94 + 6

Combine like terms: -6 + 6 = 0
0 + -1b = 5.94 + 6
-1b = 5.94 + 6

Combine like terms: 5.94 + 6 = 11.94
-1b = 11.94

Divide each side by '-1'.
b = -11.94

Simplifying
b = -11.94