New to Satt Academy? Create an account
or Log in with Google Account
xa+yb=2a+1b
xb-ya=2b-1a
x + y = 4
x - y = 2
2x + y = 5
x - y = 1
3x + 2y = 10
x - y = 0
xa+yb=1a+1b
xa-yb=1a-1b