Answer:
3x-1
Step-by-step explanation:
6 +(-x) +2x + (-7) + 2x=
6-x +2x -7 + 2x =
6-7+ 2x+2x-x=
-1 + 3x=
(2,16)
Ill explain if you need it
40 seconds
8 20
16 40
32
40
