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

How did feudalism help Germany?
Kaitlin buys 9/10 pound of orange slices. She eats 1/3 of them and divides the rest equally into three bags how much is in each bag
What is one half added to three quarters
50 POINTS!!!!!!!!!!!!!!!!!!!!!!!!!! How has the concept of a "planet" changed since the 16th century? Do you think this shows scientific accuracy or disproves f
The wave of revolutions across Europe in 1848 is known as the Springtime of Peoples. True or False
Which three glands secrete the protein fluids which are constituents of semen?
Claire takes private lacrosse lessons every 6 days and piano lessons every 4 days. In 60 days, how often will she have lacrosse lessons and piano lessons on the
Which one of the following statements about attitudes is correct? A. Negative attitudes can't be changed. B. Positive attitudes can help us learn qu
340 pages 20% decrease
Which of the following groups of words is a sentence fragment? A. When we stopped by the garden. B. Stopping by the garden, we saw that the flowers were in bl