Question

Find the value of x & y by substitution method:-
3x-y=3
9x-3y=9

Answer 1

Help plz:)

Answer 2

you wanna factor or you want to find x and y?

Answer 3

I think Viper wants to find x and y..

Answer 4

yes yes

Answer 5

Multiply first equation by 3 both the sides, see what you get?

Answer 6

9x-3y=9

Answer 7

then??

Answer 8

Now both the equations are same or not??

Answer 9

hmm....yes

Answer 10

So, when two equations are same, then they are parallel lines and they have infinitely many solutions..

Answer 11

ok! that is the concept thanx:)

Answer 12

Welcome dear...