Question

slove the following liner equation by substitution method 3x-y,x-y+6=0​

Answer 1

Answer:

x=3,y=9

Step-by-step explanation:

x-y+6=0 ............. 1st eq

3x-y.............2nd eq

x-y+6=0

x=y-6.......3rd eq

subtitute x=y-6 in 2nd eq

3x-y

=3(y-6)-y

=3y-18-y

=2y-18

2y=18

y=9

subtitute y=9 in 3rd eq

x=y-6

x=9-6

x=3

I hope this answer may help you