shano2000 shano2000

14-01-2017
Mathematics

contestada

I am having trouble with these equations
7x + 2y = - 8
8y = 4x
solve using substitution

Respuesta :

kcat607090 kcat607090

14-01-2017

x = -1 y = -0.5
7 times -1 = -7.
2 times -0.5 = -1, -1+-7= -8
8y= -4, 4x= -4,
Hope this helps!

Answer Link

Otras preguntas

Tim bought 100 shares of abc at $5.25 with no load. And 100 shares of sea at$6.00 which had a load of $275. If the selling price is $1750 how much will Tim have

My good friends,for the second time in our history,a British prime minister has returned from Germany bringing peace with honor.i believe It is peace for our ti

what does the word "karate" mean? A. Fight backB. Respect C. Kick and hit D. Empty hand

A parallelogram has an area of 276 square meters and a base measuring 12 meters. What is the height of the parallelogram?

2.0 kg mass is lifted4.0m above the ground find the gravitational energy

Use the following graph of the function f(x) = 2x3 + x2 − 3x + 1 to answer this question: (graph of 2x cubed plus x squared minus 3x plus 1) What is the averag

which of these treatments is effective against HIV abd may delay the onset of AIDS

Please help! 10 points for best answer! 11. Which of the following is an example of a conflict caused by cultural diversity in Louisiana? A) A movement was orga

Why was the Camp Meeting Engraving Artifact about Lorenzo Dow made? Why is it worth studying today? Please answer quickly!

In Hard Times by Charles Dickens, why does the government official object to depicting horses on wallpaper and flowers on rugs? He has doubts about the value of