7b+6-9b-(-3)=

Solution for 7b+6-9b-(-3)= equation:

Simplifying
7b + 6 + -9b + -1(-3) = 0

Multiply -1 * -3
7b + 6 + -9b + 3 = 0

Reorder the terms:
6 + 3 + 7b + -9b = 0

Combine like terms: 6 + 3 = 9
9 + 7b + -9b = 0

Combine like terms: 7b + -9b = -2b
9 + -2b = 0

Solving
9 + -2b = 0

Solving for variable 'b'.

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

Add '-9' to each side of the equation.
9 + -9 + -2b = 0 + -9

Combine like terms: 9 + -9 = 0
0 + -2b = 0 + -9
-2b = 0 + -9

Combine like terms: 0 + -9 = -9
-2b = -9

Divide each side by '-2'.
b = 4.5

Simplifying
b = 4.5