Question

2x+y=23 4x-y=19 find using elimination

Answer 1

Answer:

1) 2x+y= 23

2)4x-y= 19

6x= 42

X= 7

Now, to find y:

2x+y= 23

2(7)+y= 23

14+y= 23

Y= 23-14

Y= 9

Now, we will check the value of y for the second equation:

4x-y= 19

4(7)-9= 19

28-9= 19

19=19

LHS=RHS

Hence, verified.

So, the concluding answer is:

X= 7

Y= 9

Hope it helps you.

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