+0  
 
-1
83
2
avatar

Find an ordered pair (u,v) that solves the system

5u = -7 + 2v

3u = 5v - 25

 Jul 9, 2022
 #1
avatar+279 
-1

Multiply the fist equation by 3, this gives us:

15u = -21 + 6v

Multiply the second equation by 5, this gives us:

15u = 25v - 125

 

Subtract those equations.

That gives us:

19v = 104

v = 104/19

 

Plug it in...

u = 15/19

 

(15/19, 104/19)

 Jul 9, 2022
 #2
avatar
0

Now solve this https://web2.0calc.com/questions/need-help-with-this_18

Guest Jul 9, 2022

11 Online Users

avatar