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Solve the simultaneous equations 5 x − y = 8 7 x + 4 y = 22 |
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Answer» ♕ X = 2✔︎ and Y = 2✔︎SOLUTION :-5x - y = 8 .....i) 7x +4y =22....ii) multiplying equation i) by 420x - 4y = 32....iii) add EQUATION iii) nd equation ii) 20x - 4y = 32 + 7x + 4y = 22 27x = 54
x = 2 X = 2 ✅puting VALUE of x = 2 in equation i) 5x - y = 8 5×2 - y =8 10 - y = 8 - y = 8 -10 - y = -2 y = 2 y = 2✅ |
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