Question

3.
If x+y=8 and -y=2 then the solutions of the equation are.
A) =5
B) =3
C) x=2.5
y=3
y=5
y=5.5
D) x=8
y=2​

Answer 1

Answer:

x+y=8 ........... equation 1

x=8-y

x=8+2

x=10

so equation 1 is

10+y=8

y=8-10

y=-2

so

x=10 and y=-2