Question

If 20 – r = 15, what is the value of 3.r ?

Answer 1

Answer:

3r =15

Step-by-step explanation:

r=20-15

r=5

3r=3×5

3r=15

pls follow

Answer 2

Answer:

r = 5

Step-by-step explanation:

20 - r = 15

     + r    + r

20 = 15 + r

-15    -15

5 = r