2x + 3y =7 , 5x -2y =7, 5x-2y -8 =0 হলে (x,y) = কত?
Created: 4 years ago |
Updated: 3 years ago
best des
2x + 3y = 7.......... (1)
5x - 2y = 8.......... (2)
2×(1) নং + 3×(2) নং
9x = 38
∴x = 2
x এর মান 1 নং সমীকরণে বসিয়ে পাই,
2×2 + 3y = 7
= > 3y = 7 - 4
= > y = 3/3
∴y = 1
x, y = (2, 1)
Md Azizur Rahman
Founder of Satt
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