Question

If 3(y - 1) = 21, the value of 7y is
i. 15 ii. 42 iii. 35 iv. 56​

Answer 1

Answer:

iv) is the correct option

Step-by-step explanation:

3(y - 1) = 21

3y - 3 = 21

3y = 21 + 3

3y = 24

y = 24/3

y = 8

Now, 7y = 7 x 8 = 56