Question

if x+y=11 and x-y=5 find the value of y

Answer 1

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Answer 2

Answer:

If x+y=11 and

x-y=5 then we will equate both equations for x and y

Sol. x+y=11

x-y=5

(-) (+)= (-)

Now x will be cancel and

2y =6

y =3

Now putting y =3 in first equation

x+y=11

x+3=11

x=11-3

x=9

Verify by adding both x and y answer will be 11 or subtracting ans. will be 5

Step-by-step explanation: