mads34 mads34
  • 03-04-2017
  • Mathematics
contestada

2x+5y=60
2x-5y=-20


Please show work!

Respuesta :

Goalinetsky
Goalinetsky Goalinetsky
  • 03-04-2017
 (2x+5y=60)
- (2x-5y=-20)
-------------------
10y=80
y=8 


2x+5(8)=60
2x+40=60 
2x=20
x=10


Answer Link

Otras preguntas

Please help me answer this question Below. Dear Members, In an attempt to stop the poor graffiti on the large wall of our building, we are considering asking an
There was a tick on me but it wasn't IN my skin it was on top of it, and in my panic I ripped it off and killed it and I don't know if I got bit or not because
Vectors are: A. DNA molecules used to carry foreign DNA fragments into bacteria or other cells B. DNA molecules that can be joined with DNA fragments that
A golf ball is struck by a​ 60-degree golf club at an initial velocity of 9898 feet per second. The height of the golf ball in feet is given by the quadratic fu
What is the 2nd term when −3f3 + 9f + 6f4 − 2f2 is arranged in descending order?
More than half of all teenagers who have tried alcohol also have used illegal drugs. a. Trueb. False
What is mightier than steel yet cowers from the sun?
How did Rome try to control the luxurious tastes of its richest citizens?
How did European imperialism lead many colonies to seek independence?
just question number 16 plz help soon