Answer:
Step-by-step explanation:
19-(-12)=19+12=31
-6-(-27)=-6+27=21
(-18)-4=-18-4=-22
(-82)-9=-82-9=-91
18-(-2)=18+2=20
(-12)-(-11)=-12+11=-1
you have to make x-3 and x-7 equal to zero...
x = 3 or x=7
"A"
Answer: 1 1/2
the only right one is a, hope this helps