+0  
 
-1
241
1
avatar+164 

I know I am being slow on the up take here, Heureka says the answer is:

 

11x - 3 = 9x + 23

2x = 26

x = 13

 

But how do I know to substract the x and add the whole numbers?

Walthamx  Dec 6, 2017
 #1
avatar
0

11x - 3 = 9x + 23    Isolate x to the LHS. Subtract 9x from both sides.

11x - 9x - 3 = 23     Add 3 to both sides

2x =23 + 3

2x = 26                     Divide both sides by 2

x =26/2

x = 13

Guest Dec 6, 2017

10 Online Users

avatar
avatar

New Privacy Policy

We use cookies to personalise content and advertisements and to analyse access to our website. Furthermore, our partners for online advertising receive information about your use of our website.
For more information: our cookie policy and privacy policy.