Question

2. Solve 5n = 2n - 21.

Answer 1

Answer:

n = -7

Step-by-step explanation:

5n - 2n = -21

3n = -21

n = -7

Answer 2

Answer: -7

Step-by-step explanation:

you move the variable to the left so it becomes 5n-2n=-21

then you subract 5n-2n and you get 3n

then you divide both sides by 3n ; 3n=-21

and you get n=-7