(x, y) -এর মান কত, যখন- 2x+3y = 7 এবং 5x-2y = 8
Correct Answer: Option A
2x+3y=7…………(i)
5x-2y=8…………(ii)
(i)×2 and (ii)×3 then we get,
19x=38
or, x=2
x এর মান (i) বসাই,
2(2)+3y=7
or, 3y=7-4
or, y=1
So, (x,y)=(2,1)
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