Answer:
z is less than 3/4
Step-by-step explanation:
-7x-5y=-47x+9y=-4
combine like terms to cross out the 7x
solve for y, to get -2
plug it back in to one of the equations and x is 2
y=-2
x=2
I see you do K12 huh? XD Okay so, the answer should be below or above or something. lol Hope this helped!
-Twix