Question

coefficient of 5x2y3​

Answer 1

Answer:

3x−4y=7 ...(i)

5x+2y=3 ...(ii)

On multiplying (i) by 5 and (ii) by 3, we get

15x−20y=35

−

1

5x

−

+

6y=

−

9

−26y=26

∴y=−1

On putting y=−1 in (i), we get

3x−4(−1)=7

x=1

∴x=1,y=−1