Answer:
r < 4/7
Step-by-step explanation:
35r−21<−35r+19
35r + 35r < 19 + 21
70r < 40
r < 40/70 or r < 4/7
1st
6x+9y=0
9y=6x
Y=6x/9
2nd
6x+9y =0
6x=9y
X=9y/6 ans
hmmm...? im gonna guess 2
i finger plus another finger gives me......ahhhhh ik the answer its 2
