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

(a) 7/3
(b) 3/7
(c) -7
(d) -7/3

Anurag Mishra Professor Asked on 8th March 2016 in Maths.
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1 Answer(s)

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. 

Anurag Mishra Professor Answered on 8th March 2016.
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