14. If 2x+ 3y = 12 and 3x - 2y =5 then
O (a) x = 2, y = 3
O (b) x = 2, y = -3
O (c) x = 3, y = 2
O ,
(d) x = 3, y = -2
Answers
Answered by
1
Answer:
c) x = 3, y = 2
hope this helps
Answered by
0
Answer:
(c)x = 3, y = 2
Step by Step Explanation:
The given system of equations is
2x + 3y = 12 ……..(i)
3x – 2y = 5 ……..(ii)
Multiplying (i) by 2 and (ii) by 3 and then adding, we get
4x + 9x = 24 + 15
⇒ x = 39/13 = 3
Now, putting x = 3 in (i), we have
2 × 3 + 3y = 12
⇒ y = 12−6/ 3 = 2
Thus, x = 3 and y = 2
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