how do you solve x+2y=17 and 3x+6y=-5 to find out how many solutions it has?
divide the second equation by 3.
x+2y=-5/3
Hmmm, that is a line parallel to the first equation, then never cross, no solution. Your teacher is too easy.
x+2y=-5/3
Hmmm, that is a line parallel to the first equation, then never cross, no solution. Your teacher is too easy.