PLEASE HELP ME. I know I ask a lot, but I don’t know what I should come up with

equation :

1. b + 5 = 3

2. 3b = - 6

3. 10b = -20

1. b = 3 - 5 = - 2

2. 3b/3 = - 6/3 = - 2

3. 10b / 10 = - 20 / 10 = - 2

Rational numbers refers to a number that can be expressed in a ratio of two integers. An irrational number is one which can't be written as a ratio of two integers. Expressed in fraction, where denominator ≠ 0. Cannot be expressed in fraction.

Step-by-step explanation:

done