Answer:
7.75
Step-by-step explanation:
19 = 4a - 12
add 12 to both sides
31 = 4a
divide by 4 to isolate the variable
7.75 = a
a=7.75
19 = 4a − 12. 19+12=31. 31/4=7.75
Answer: w =-35
35/7=5
13+-5=-18
-18
hope i help
(9, -1)
c i suppose the answer