Question

14)Find the value of x and y if + = 2 and − = 6​

Answer 1

Answer:

255yy h I see you are still the exam is at work

Answer 2

Answer:

Solution

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2[

x

9y

7

5

]+[

6

4

−7

5

]=[

10

22

7

15

]

[

2x

18y

14

10

]+[

6

4

−7

5

]=[

10

22

7

15

]

[

2x+6

18y+4

7

15

]=[

10

22

7

15

]

On comparing ,

x=2 and y=1.