Question

2x +3y = 9 तथा 3x +4y = 11, तो x और y का मान है​

Answer 1

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Answer 2

Answer:

Solution:- x = -5 and y = 5

Step-by-step explanation:

2x+3y=9 -------- (i)

3x+4y=11 -------- (ii)

Multiplying Equation I with 3, we get

$i \times 3$

6x+9y=27 -------(iii)

Multiplying Equation II with 2, we get

$ii \times 2$

6x+8y=22 --------(iv)

Subtracting eq. iii by eq.iv

6x + 9y = 27

- 6x + 8y = 22

y = 5

we get y = 5 , Now putting the value of y in equation (i)

• 2x + 3y = 5
• 2x + 5(3) = 5
• 2x + 15 = 5
• 2x = 5-15
• 2x = -10
• x = -5

Therefore, x = -5 and y = 5