Question 192969: Nn=Nq+5
25=2Nq+3Nn
Answer by bhayzone(8)   (Show Source):
You can put this solution on YOUR website! Answer: Nq = 2, Nn = 7
Given,
Nn=Nq+5
25=2Nq+3Nn
Rearrange the equations:
Nn - Nq = 5
3Nn + 2Nq = 25
Try to form your equations in such a way that one of the terms get eliminated. We'll eliminate Nn
Multiply eq1 by 3 and subtract eq2 from eq1
3Nn - 3Nq = 15
3Nn + 2Nq = 25
================
-5Nq = -10
Nq = 2
Therefor, Nn = 7
|
|
|
