Question

solve the simultaneous equation using elimination method (i) 2x- y =2, 5x+y = -9​

Answer 1

Step-by-step explanation:

x=1 anb y=0 is correct ans

Answer 2

Answer:

x = (-1) and y = 4

Step-by-step explanation:

2x-y = 2. ( Given)------ eq 1

5x+y = -9. ( Given)------ eq 2

Adding eq 1+2, we get:

2x+5x = -7

7x= -7

x = (-1)

Now, Putting X=(-1) in eq 1 we get:

2(-1)-y = 2

-2-y = 2

y = 2+2 = 4

hope it helps u..

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