39=9x+7-3x+20
Subtract 27 from each side
12=6x
2=x
Now plug in 2 for x to find AB and BC
9x+7= AB
9(2)+7=AB
18+7= AB
25= AB
-3x+20= BC
-3(2)+20= BC
-6+20= BC
14= BC
Answer:
2
Step-by-step explanation:
Yeah its 2 I can explain but will be long but if want comment and I will post but most likely its 2
Answer:
I recommend using a graph that can help. For slope afind two solid points and make it a fraction. Y intercept is where it passes through the y axis.
Step-by-step explanation:
Answer:
4
Step-by-step explanation:
Its false cause its not the set of all numbers