anonymous
  • anonymous
[6.03] What is the value of the y variable in the solution to the following system of equations? 2x + y = 5 x + 3y = 0 −1 1 3 −3
Mathematics
  • Stacey Warren - Expert brainly.com
Hey! We 've verified this expert answer for you, click below to unlock the details :)
SOLVED
At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident, similique sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga. Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil impedit quo minus id quod maxime placeat facere possimus, omnis voluptas assumenda est, omnis dolor repellendus. Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.
chestercat
  • chestercat
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
anonymous
  • anonymous
i really need help :0
anonymous
  • anonymous
Let x = xylophones and y = yachts. Fred is buying xylophones and yachts. He does not pay attention to how much each costs, rather he just pays for all of them in one go. When he visits the shop on Monday, he buys two xylophones and one yacht for a total price of $9. He then thanks the salesman and goes home. The next day he buys three xylophones and four yachts for a total price of $26. Fred is now deeply curious as to how much his xylophones and yachts would have cost him individually, so he sets up a set of simultaneous equations in an attempt to find an answer to the ultimate question... 2x + y = 9 3x + 4y = 26 Transpose equation 1 and substitute into 2: y = 9 - 2x 3x + 4(9 - 2x) = 26 3x + 36 - 8x = 26 -5x = -10 x = 2 y = 9 - 4 y = 5 So it turns out that xylophones cost $2 each and yachts cost $5 each. ANSWERS: 3. Parallel 4. -6 + x 8. -1 9. (9, -1) 10. Multiply the first equation by -2 11. 42 12. 22.95 + 0.08m = 27.95 + 0.06m 13. 70 14. d = 3(r – 30) and d = 2(r + 30) 15. 3 hours 16. (5, 1) 17. Green area: 2x + y > 2 and x − y < 6 Yellow area: 2x + y > 2 and x − y > 6 18. Answer shown in part 2 (very long answer)
mathslover
  • mathslover
\[\large{\color{red}{2x+y=5}}\] \[\large{\color{blue}{\textbf{Solve for x in this eqn}}}\]

Looking for something else?

Not the answer you are looking for? Search for more explanations.

More answers

mathslover
  • mathslover
@tej18 what do you get after solving for x in 2x+y=5
anonymous
  • anonymous
OMG......... what is that @abayomi12
anonymous
  • anonymous
ikr! @sauravshakya
anonymous
  • anonymous
i dont get it @mathslover
mathslover
  • mathslover
2x+y=5 2x=5-y solve for x
anonymous
  • anonymous
ohh
anonymous
  • anonymous
teji u still don't get the answer that all the answer i just solved there
anonymous
  • anonymous
@mathslover so x= 5/2 - y/2??
mathslover
  • mathslover
x=(5-y)/2 put this in 2nd eqn
mathslover
  • mathslover
solve for y then you will get your answer
anonymous
  • anonymous
i m confused @mathslover
mathslover
  • mathslover
\[\large{x=\frac{5-y}{2}}\] \[\large{x+3y=0}\] \[\large{\frac{5-y}{2}+3y=0}\] \[\large{\frac{5-y+2y}{2}=0}\] \[\large{5+y=0}\]
mathslover
  • mathslover
oops sorry : \[\large{\frac{5-y+6y}{2}=0}\] \[\large{5+5y=0}\]
anonymous
  • anonymous
so y=0? @mathslover
anonymous
  • anonymous
@mathslover
Kaederfds
  • Kaederfds
i got y = (-1)
anonymous
  • anonymous
oh kk thanks! @Kaederfds
anonymous
  • anonymous
Answer: -1 2x+y=5 x+3y=0 So, x=-3y Substitute x=-3y into 2x+y=5 2(-3y)+y=5 -6y+y=5 -5y=5 y=-1
mathslover
  • mathslover
5y=-5 y=-1 @tej18

Looking for something else?

Not the answer you are looking for? Search for more explanations.