Answer:
x=4
Step-by-step explanation:
9-1=8
8/2=4
x = 4
2x + 1 = 9
2x = 9 - 1
2x = 8
~ʆᵒŕ∂ཇꜱꜹⱽẻⱮë
$720.00
80
720/P = 9/1
Cross multiply.
9P = 720
P = 720/9
P = 80
Explanation is in the file
tinyurl.com/wtjfavyw