Question

find the value of x and y in the following equations. √x-y =3; √x-y =√13

Answer 1

Answer:x=21,y=8

Step-by-step explanation:

√x-y=√x-y,

√x=√13+y(x=13+y)

3=√x-y

x=3+y

13+y=3-y

2y=13+3=16

y=8

√x=√13+8

x=13+8

x=21