5b-3-(b+9)=

Solution for 5b-3-(b+9)= equation:

Simplifying
5b + -3 + -1(b + 9) = 0

Reorder the terms:
5b + -3 + -1(9 + b) = 0
5b + -3 + (9 * -1 + b * -1) = 0
5b + -3 + (-9 + -1b) = 0

Reorder the terms:
-3 + -9 + 5b + -1b = 0

Combine like terms: -3 + -9 = -12
-12 + 5b + -1b = 0

Combine like terms: 5b + -1b = 4b
-12 + 4b = 0

Solving
-12 + 4b = 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 + 4b = 0 + 12

Combine like terms: -12 + 12 = 0
0 + 4b = 0 + 12
4b = 0 + 12

Combine like terms: 0 + 12 = 12
4b = 12

Divide each side by '4'.
b = 3

Simplifying
b = 3