Question

Write any four solution of x-2y=4

Answer 1

Answer:

Just replace x and y by any number

→if y=0

x-0=4

x=4

solution=(4,0)

→if y=1

x-2(1)=4

x=4+2=6

solution=(2,6)

→if y=-1

x-2(-1)=4

x+2=4

x=4-2=2

solution=(2,-1)