Math, asked by mohitrana5599, 11 months ago

हल कीजिए-
3x + 5y = 15
x-5y = 17​

Answers

Answered by ankitsaini76216
5

x=8, y=-9/5

Step-by-step explanation:

3x + 5y = 15....(1) \\ x - 5y = 17....(2) \\  \: समीकरण  \: (1)  \: में \:  समीकरण  \: (2) \:  \\ को  \: जोडने \:  पर  \:  \\ 3x + 5y + x - 5y = 15 + 17 \\ 4x = 32 \\ x =  \frac{32}{4} = 8 \\  \: x  \: का  \: मान  \: समीकरण  \: (1)  \: में \:  प्रतिस्थापित  \\ \:  करने  \: पर, \:  \\ 3x + 5y = 15 \\ 3 \times 8 + 5y = 15 \\ 24 + 5y = 15 \\ 5y = 15 - 24 \\ 5y =  - 9 \\ y =   - \frac{9}{5}  \\ \:  अतः \:  दिये  \: हुए \:  समीकरण  \: का  \: </p><p>हल  \: x = 8, \:  y =  - \frac{9}{5}   \: है।

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Answered by TheBrainlyGirL001
7

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