supergirl20
supergirl20 supergirl20
  • 03-03-2017
  • Mathematics
contestada

someone tell how to get the answer plz

someone tell how to get the answer plz class=

Respuesta :

LivingDeadGirl9201
LivingDeadGirl9201 LivingDeadGirl9201
  • 03-03-2017
use elimination
4x+8y=20
(+)-4x+2y=-30
added together the x's are eliminated
10y=10
y=1

hope this helps!
Answer Link

Otras preguntas

What error did Louise make in her model?
The main purpose of Hammurabi’s code was
What are the coefficients in the expression 24x-3y+7z?
Write An equation in slope intercept form for the line passing through each pair of points (-1,3) and (2,-5)
Your car dealer is willing to lease you a new car for $409 a month for 48 months. Payments are due on the first day of each month starting with the day you sig
need help with this question ASAP Please!!
hey everyone, is there anyone who knows Korean and Japanese language here? I am trying to learn 2 of this languages as I am in the hotel industry and wants to k
I need help with this please
when doing division do you ever multiply??!...
7 x 4 x ?? =2,800 and 7 x 4 x ?? =28,000