Question

(ii) Solve : x + y = 7, 2x – 3y = 9.​

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

x + y = 7 ...........(1)

2x - 3y = 9 ...........(2)

equation (1) × 2

2x + 2y = 14 ............(3)

Now,

equation (3) - (2)

2x + 2y = 14

- 2x + 3y = -9

---------------------------

0. 5y = 5

y = 5/5 = 1

from eq (1)

x + y = 7

x + 1 = 7

x = 7 - 1 = 6

Hence ,

x = 6

y = 1

Ans...