4b+3(-9-7b)=

Solution for 4b+3(-9-7b)= equation:

Simplifying
4b + 3(-9 + -7b) = 0
4b + (-9 * 3 + -7b * 3) = 0
4b + (-27 + -21b) = 0

Reorder the terms:
-27 + 4b + -21b = 0

Combine like terms: 4b + -21b = -17b
-27 + -17b = 0

Solving
-27 + -17b = 0

Solving for variable 'b'.

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

Add '27' to each side of the equation.
-27 + 27 + -17b = 0 + 27

Combine like terms: -27 + 27 = 0
0 + -17b = 0 + 27
-17b = 0 + 27

Combine like terms: 0 + 27 = 27
-17b = 27

Divide each side by '-17'.
b = -1.588235294

Simplifying
b = -1.588235294