Question

17. Solve: 2x + y = 11
x + y = 8​

Answer 1

Answer:

Step-by-step explanation:

2x+y= 11

If we consider y as X

2x+X=11

3x=11

X= 11/3

X= 3.66

X+y=8

If we consider y as X

X+X = 8

2x = 8

X= 8/2

X= 4

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Answer 2

Answer:

x=3 ,y= 5

Step-by-step explanation:

2x+y=11...............(i)

x+y=8 .................(ii)

subtracting eq.(ii) from (i)

2x+y=11

-x-y=-8

x =3

Now,

put the value of x in any eq..(ii)

x+y=8

=>3+y=8

=>y =8-3

•°•y =5

Hence,

x=3, y=5

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