How do you solve -5b + 2b = - 24?

1 Answer
Jan 8, 2018

color(red)(b=8)

Explanation:

1) Collecting like terms, treat it as numbers if that is easier:

color(green)(-5+2=-3)

therefore color(green)(-3b=-24)

2) Then you can solve like an equation:

color(red)(b=-24/-3)

Since color(blue)(-1*-1=+1)

This changes the equation to:

color(red)(b=24/3=8)