Question

find 2/7 x 5/7 - 1/4 +2/7 x (-3/5)

I need answer fast please ​

Answer 1

Answer:

We have

2[

x

7

5

y−3

]+[

3

1

4

2

]=[

7

15

14

14

]

[

2x

14

10

2y−6

]+[

3

1

4

2

]=[

7

15

14

14

]

[

2x+3

14+1

10+4

2y−6+2

]=[

7

15

14

14

]

2x+3=7 and 2y−4=14

2x=7−3 2y=14+4

2x=4 2y=18

x=2 y=9

Hence, this is the answer.