X=2y+11
-7x-27=-13
solve with substitution

It takes evan 6 3/4 to mow 3 lawns. it takes 2 1/3 hours to mow me. gals lawn and 1 3/4 hot mow ms. lee’s lawn. how many hours does it take evan to mow the third lawn?

This question awards 100 ! i really don’t want to fail i will also mark you !

If f(x)=2x-6 and g(x)=3x+9, find (f-g)(x)