Answer:
put x=-1, and the rest will be easy
-5 + 7= 7 + (-5) they are the same just switched
Answer:
Black dogs
Step-by-step explanation:
The ratio of brown dogs to black dogs is 5:10, which simplifies to 1:2.
646/3=x
To check it: x*3 should =646
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
