Question

Solve using substitution method:3x – y = 3 and 9x – y = 9​

Answer 1

Answer:

sorry I can't know this answer

Answer 2

Step-by-step explanation:

9x -y =9........(2)

- 3x -y = 3.......(1) ( substacting q 1 from eq2)

6x = 6

x= 1

now put x=1 in place of x in eq1

3x -y =3

3(1)- y = 3

3-3=y

0= y

y= 0