i think this is your answer: 12.0 and 12.5
Answer:
-1/2=x
Step-by-step explanation:
-9 + x = 5x - 7
-x -x
-9=4x-7
+7 +7
-2=4x
-2/4 =4x/4
-1/2=x
Answer: 
Step-by-step explanation:
Answer:
c
Step-by-step explanation:
Answer:
m=-3
Step-by-step explanation:
first multiply every thing out
3-18-4m=m
simplify
-15-4m=m
get all m's on one side
-15=5m
divide both sides by 5 to isolate m
-3=m