-9(3b+4)+(28b-9)=0

Solution for -9(3b+4)+(28b-9)=0 equation:

Simplifying
-9(3b + 4) + (28b + -9) = 0

Reorder the terms:
-9(4 + 3b) + (28b + -9) = 0
(4 * -9 + 3b * -9) + (28b + -9) = 0
(-36 + -27b) + (28b + -9) = 0

Reorder the terms:
-36 + -27b + (-9 + 28b) = 0

Remove parenthesis around (-9 + 28b)
-36 + -27b + -9 + 28b = 0

Reorder the terms:
-36 + -9 + -27b + 28b = 0

Combine like terms: -36 + -9 = -45
-45 + -27b + 28b = 0

Combine like terms: -27b + 28b = 1b
-45 + 1b = 0

Solving
-45 + 1b = 0

Solving for variable 'b'.

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

Add '45' to each side of the equation.
-45 + 45 + 1b = 0 + 45

Combine like terms: -45 + 45 = 0
0 + 1b = 0 + 45
1b = 0 + 45

Combine like terms: 0 + 45 = 45
1b = 45

Divide each side by '1'.
b = 45

Simplifying
b = 45