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

Help me find the domain of this.
Political machines were most common in a) Urban areasb) Rural areas c) The late 20th century d) The early 19th century
i need help please thank you
Your roommate is acting very strangely. Although she has not slept much in the past few days, she says she is on top of the world. She has cleaned and re-cleane
Which expression is equivalent to 2(a + 2b) - a - 2b? 3a + 2b 3a - 2b a - 2b a + 2b
what is the expression of the quotient of 32 times a number and 4 is 16​
Which of the following is not an advantage to joining a professional organization? obtaining a certification or licensure access to professional meetings, semin
Under a federal system of government, powers are equally distributed between _____.
Which sentence contains the central claim in compulsory voting an idea whose time has come by tor hunter
What teachings and actions of John wycliffe led the Pope to accuse him of heresy​