patti72458
New member
- Joined
- May 7, 2006
- Messages
- 26
3x-9y=10
15x-45y=20
i took 5 times the first equation
which gives me 15x+45y=50
is that correct?
15x-45y=20
i took 5 times the first equation
which gives me 15x+45y=50
is that correct?