# If y = 3 x + 12 and y = 5, What is x ?

(a) 7/3

(b) 3/7

(c) -7

(d) -7/3

**Answer: (d) -7/3**

**Solution:-**

y = 3 x + 12 and y = 5

Then, 5 = 3 x + 12

3 x = 5- 12

3 x = -7

x = -7/3

Then, the value of x is -7/3.

Hence, the correct answer is option (d) -7/3.