+0  
 
0
80
1
avatar+4 

six is subtracted from a number. The result is divided by four. this result is added to 10 to give 30. what is the number? 

a. 4       b. 80     c.86       d.16

bagel  Dec 8, 2017
Sort: 

1+0 Answers

 #1
avatar+81022 
+2

(N - 6) / 4  +  10  =  30    subtract 10 from both sides

 

(N - 6) / 4   =  20            multiply both sides by 4

 

N - 6    =   80                 add 6 to both sides

 

N  =  86

 

 

 

cool cool cool

CPhill  Dec 8, 2017

5 Online Users

We use cookies to personalise content and ads, to provide social media features and to analyse our traffic. We also share information about your use of our site with our social media, advertising and analytics partners.  See details