.83=-.40b+.33b

Solution for .83=-.40b+.33b equation:

Simplifying
0.83 = -0.40b + 0.33b

Combine like terms: -0.40b + 0.33b = -0.07b
0.83 = -0.07b

Solving
0.83 = -0.07b

Solving for variable 'b'.

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

Add '0.07b' to each side of the equation.
0.83 + 0.07b = -0.07b + 0.07b

Combine like terms: -0.07b + 0.07b = 0.00
0.83 + 0.07b = 0.00

Add '-0.83' to each side of the equation.
0.83 + -0.83 + 0.07b = 0.00 + -0.83

Combine like terms: 0.83 + -0.83 = 0.00
0.00 + 0.07b = 0.00 + -0.83
0.07b = 0.00 + -0.83

Combine like terms: 0.00 + -0.83 = -0.83
0.07b = -0.83

Divide each side by '0.07'.
b = -11.85714286

Simplifying
b = -11.85714286