I chose a number and divide it by 4. Then I subtracted 18 from the result and got 7. What was the number I chose?  Select the correct option
A) 600
B) 100
C) 800
D) 900
E) None
Solution:   Let x be the number I chose, then   x/4âˆ’18=7   x/4=25   x=100   Answer 100
<result>B</result>
I chose a number and divide it by 4. Then I subtracted 18 from the result and got 7. What was the number I chose?