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

solve for n: 6n+12=12
D/12 = 0.25 bbhhgshdhrjrhfbbdb
What is a equivalent ratio to 12/18
How does place value help me subtract decimals
solve : 11 (9-v)=0 a) -9 b) 9 c) 99 d)-99
How did southerners feel about the federal government paying state war debts, and how did Hamilton change their minds? ... of the nation's government? Hamilton:
Which religious group is credited with being the first American abolitionist group
Which is a factor of 76? A. 4 B. 14 C. 8 D. 12
Tell how to undo each operation and explain why it works. Adding 28. Dividing by 17
in a general partnership if ones partners actions cause the firm losses then