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

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

Simplifying
-3b + 4(-1b + 9) = 0

Reorder the terms:
-3b + 4(9 + -1b) = 0
-3b + (9 * 4 + -1b * 4) = 0
-3b + (36 + -4b) = 0

Reorder the terms:
36 + -3b + -4b = 0

Combine like terms: -3b + -4b = -7b
36 + -7b = 0

Solving
36 + -7b = 0

Solving for variable 'b'.

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

Add '-36' to each side of the equation.
36 + -36 + -7b = 0 + -36

Combine like terms: 36 + -36 = 0
0 + -7b = 0 + -36
-7b = 0 + -36

Combine like terms: 0 + -36 = -36
-7b = -36

Divide each side by '-7'.
b = 5.142857143

Simplifying
b = 5.142857143