3+5b+9+5b=

Solution for 3+5b+9+5b= equation:

Simplifying
3 + 5b + 9 + 5b = 0

Reorder the terms:
3 + 9 + 5b + 5b = 0

Combine like terms: 3 + 9 = 12
12 + 5b + 5b = 0

Combine like terms: 5b + 5b = 10b
12 + 10b = 0

Solving
12 + 10b = 0

Solving for variable 'b'.

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

Add '-12' to each side of the equation.
12 + -12 + 10b = 0 + -12

Combine like terms: 12 + -12 = 0
0 + 10b = 0 + -12
10b = 0 + -12

Combine like terms: 0 + -12 = -12
10b = -12

Divide each side by '10'.
b = -1.2

Simplifying
b = -1.2