mechellebixler mechellebixler
  • 16-05-2014
  • Mathematics
contestada

y=-3x+5

5x - 4y= -3

solvining systems of equations by substitution


Respuesta :

Аноним Аноним
  • 18-05-2014
[tex]\left\{\begin{array}{ccc}y=-3x+5\\5x-4y=-3\end{array}\right\\\\\\substitute\\\\5x-4(-3x+5)=-3\\5x+12x-20=-3\\17x-20=-3\\17x=-3+20\\17x=17\ \ \ \ /:17\\x=1\\\\y=-3\cdot1+5=-3+5=2\\\\ \left\{\begin{array}{ccc}x=1\\y=2\end{array}\right[/tex]
Answer Link

Otras preguntas

write an article on the inroads that computers have made in our lives
Three numbers are in the ratio 2 : 3 : 4. The sum of their cubes is 33957. Find the largest number
write an article on the inroads that computers have made in our lives
Why do you think it might be worth supporting a minor political party in the United States even if that candidate has little chance of winning?
Solve this equation for x in terms of y: 3x+2y=4
Traditions Clothing Store is having a sale. Shirts that were regularly priced at $20 are on sale for $17. What is the percentage of decrease in the price of the
I've got some homework about rendering isometric letters...I can remember what colours the main parts are but I can't remember what colour the other parts are (
If the 1600m race is 4 laps, what is the path length raced?
Traditions Clothing Store is having a sale. Shirts that were regularly priced at $20 are on sale for $17. What is the percentage of decrease in the price of the
Can someone read my essay and say what I have to improve also tell me what I should put for my conclusion. Thank you! “Love Exists” True love is when you are co