Answer:
X=16
Step-by-step explanation:
Solve 3(x-9)=21 IF X = 16
16-9 = 7
3X7= 21
x = 16
3(x-9)=21
3x-27=21
+27 +27
3x/3=48/3
x=16
-6 and up going left
(6,2)
Graph is below
I attached a photo of the work.
If you have any further questions feel free to ask.
Hope this helps
