9x-20=7
9x=27
x=3
Hope that helps you :)
14(8-W)=0
(14*8)-(14*W)=0
112-14W=0
-112 -112
------------------- The answer is 8
-14W= -112
-14W/(-14)= -112/(-14)
W=8
Answer:9/4
Step-by-step explanation:multiply 2.25 by 100 so you get 225/100 and reduce
For the first equation, I put it in y=mx+b form, so y=-3x-9
the second one is x=4
hope i helped