Correct Answer: Option C
2x+3y =1.............. (i)
ও
5x–2y+7= 0
Or, 5x-2y=-7......... (ii)
তাহলে,
(i)×5-(ii)×2
15у+4y=5+14
Or, 19y=19
∴ y=1
(ii) নং y এর মান বসিয়ে পাই,
5x-2×1=-7
Or, 5x=-7+2
Or, 5x=-5
x=-1
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