472392
Step-by-step explanation:
the pattern is three times the last number e.g.
8x3=24
24x3=72
72x3=216
Then to find the 11th term you continue this pattern.
5=648
6=1944
7=5832
8=17496
9=52488
10=157464
11=472392
-2x + 7 = 7
subtract 7 from both sides.
-2x = 0
divide both sides by -2.
x = 0