Answer:
7
Step-by-step explanation:
Create an equation where x represents the original number:
(2x + 3) - 6 = 11
Solve for x:
(2x + 3) = 17
2x = 14
x = 7
So, the original number was 7.
80x3 - 180x2 + 109x - 20
—————————————
4
-198 dollars
-1x - 3 or -x - 3
1/5 (5x - 15) - 2x =
1x - 3 - 2x =
1x - 2x - 3 =
-1x - 3