Questions on Algebra: Systems of equations that are not linear answered by real tutors!

Tutors Answer Your Questions about Systems-of-equations (FREE)

Question 492510: A Line has a slope M=-12/5 and contains the point (3,-1) find the other point. need step by step
Click here to see answer by richard1234(5390)

Question 492451: -17-2x=6-x
Click here to see answer by ptth176(50)

Question 496679: determine whether (-4,7) is a solution of 5x-3y=3
Click here to see answer by bucky(2189)

Question 498842: Solve by the substitution method 3x+7y=25 x+20-4y
Click here to see answer by ankor@dixie-net.com(15746)

Question 499016: 4x+3y=3
6x-2y=24
Click here to see answer by deborabr(181)

Question 499774: solve by addition 8x=-11y-16; 2x+3y=-4
Click here to see answer by MRperkins(300)

Question 499795: Ive been working on a review for a test next tuesday, but i keep getting confused with this type of equation by using substitution.
{2x-y=2
{3x-2y=11
Click here to see answer by jim_thompson5910(28717)

Question 500655: 12=4/5g

Click here to see answer by rfer(12730)

Question 501531: 3x+y=5
x-2y=4
Click here to see answer by oberobic(2304)

Question 503317: 2x+5y=-16
6x-9y=-48

I could not even figure out how to do this i tried to solve for x at first for the first one and took a wild guess and got x= -36/17 and y= 176/17 and it was in correct
Click here to see answer by Maths68(1474)

Question 503308:
Looking for x and Y I got x= -132/17 y= 176/ 17 and this was incorrect what is wrong how do i solve this?

2x + 5y = −16

6x − 9y= −48

Click here to see answer by nic0le116(25)

Question 503645: 3a/8=12
Click here to see answer by oberobic(2304)

Question 503725: Solve using elimination or substitution 4x-7y =-16;6x+3y = 30?

Click here to see answer by oberobic(2304)

Question 503751: Solve using elimination or substitution y=6x-5;12x-2y=7?

Click here to see answer by jim_thompson5910(28717)

Question 506256: Solve for equations:
5x +2y =10 and y= x - 1
Click here to see answer by xdragonfight(116)

Question 507045: a chemist has one solution that is 25% acid and a second that is 50% acid. how many liters of each should be mixed to get 10 L of a solution that is 40% acid?
Click here to see answer by Earlsdon(6294)

Question 507501: Solve the system of equations.
2x-y+z=3
x+3y-2z=11
3x-2y+4z=1
Click here to see answer by jim_thompson5910(28717)

Question 507660: verify that is an indentity
a) Sin(90 degree+A)=Cos A
b) Sin(x-y)=(1-cotx tany)/(csc x sec y)
Click here to see answer by jim_thompson5910(28717)

Question 508550: determine whether the given ordered pair is a solution of the system of equations. Remember to use alphabetically ordered variables:
(5,-3)
3x=12-y
5x=37+4y
Click here to see answer by Alan3354(31537)

Question 508702: (3x+5)=1
Click here to see answer by edjones(7569)

Question 508702: (3x+5)=1
Click here to see answer by jennywecas(28)

Question 509226: The sum of the digits of a certain two digit number is 7. Reversing its digits increases the number by 9. What is the number? I've almost pulled out all my hair on this problem. Thanks for helping me.
Click here to see answer by stanbon(57982)

Question 509607: Find an equation of variation where y varies jointly as x and the square of z, and where y=70 when x=55 and z=2
Click here to see answer by Earlsdon(6294)

Question 511043: find the first 6 terms and the 300th term of the arithmetic sequence 13,7...
Click here to see answer by htmentor(809)

Question 511421: 4y+5-7=2y+6 what is y

Click here to see answer by oberobic(2304)

Question 512652: substitution:
y=x+3
2x+y=-6
Click here to see answer by solver91311(17077)

Question 513240: In 2000, the internataional price of gold was $270 per ounce, and the international price of silver was $5 per ounce. Suppose gold and silver were mixed to obtain 15 ounces of an alloy worth $164 per ounce. Let g represent the amount of gold used in alloy. Write an equation to solve this problem.
Click here to see answer by josmiceli(9817)

Question 513938: Let me tell you why I am Using this site, Today I was taking my test and had no CLUEE on what to do or how, So today I looked up lessons and problems to help my self out, in order to atleasst finish my exam tomorow and get a somewhat good grade! so As I was doing my lesson I came across some problems that I couldn't solve properly. Please answer. Thanks for your helpp! ( any numbers with a / sign is a fraction) Please Show all work so I under stand how the problem is done, Just a answer wouldn't help if I didn't know how the problem was solve. Also sorry if this is in the wrong section.+
#1: 5-9w=23 #2: 3/2a-8=7 #3: 7=c/-5+3 #4: 6+-12+h/-7
Click here to see answer by stanbon(57982)

Question 514174: 5n = 11 over 5
Click here to see answer by rfer(12730)

Question 514369: Solve the system of equations and choose the correct ordered pair.
2y = 8x - 14
4y = 8x + 4
Click here to see answer by Alan3354(31537)

Question 514812: i have aother question haha im not doing my hw these are just equations i need to study for my test that i can't figure out how to solve. thanks so much for helping. this question is solve: x^2-3x-4>0 now what i did was break it down into (x-4)(x+1) so x>4 or x>-1. but i am ot sure if that is how i should right it or not
Click here to see answer by solver91311(17077)

Question 515297: Please help me solve the following equations
32.) x+7y=5 (1)
x=9-7y (2)
Click here to see answer by mananth(12270)

Question 515640: The graph of the function f(x)=mx+b contains the points (5,1) and (-10,-11). Find m and b.
Click here to see answer by mananth(12270)

Question 516726: Solve the system of equations
x + y = 6
x - y = -9

Click here to see answer by mananth(12270)

Question 516725: Solve the system of equations
x + 3y = 32
-3x + 2y = 3

Click here to see answer by mananth(12270)

Question 516714: what does linear mean?
Click here to see answer by richard1234(5390)

Question 518315: x+y=7
x-y=5

Click here to see answer by Maths68(1474)

Question 518461: It says to solve this nonlinear system: x=y^2 and y=x^2
I'm not sure if it's easy and I'm having a dumb moment but I really would like to understand how to solve this question. Thank you!
Click here to see answer by solver91311(17077)

Question 519519: "WHAT IS THE GRAPH OF F(X)=x^5+4x^4+15x^3+19x^2+12x+3?"
Click here to see answer by Alan3354(31537)

Question 519981: x^2+y^2-2xy=1
3x-y=5
Click here to see answer by mananth(12270)

Question 521029: Solve the system of equations:
15=5m+b
7=3m+b
Click here to see answer by stanbon(57982)

Question 522006: A certain number of matches are needed to fill 24 boxes, with each box containing the same number of matches. When 4 less matches are put into each box, there are enogh for 28 boxes. Find the total number of matches.
Click here to see answer by lwsshak3(6764)

Question 522011: Mr Kumar lives in the eastern part of Singapore. He visits his aged parents, who lives 36km away, every weekend. He finds that if he increases the average speed of his vehicle by 12km/h, he could save 9 minutes of his travelling time. Find the speed at which he travels before the increase in speed.
Click here to see answer by lwsshak3(6764)

Question 521999: A boy has a certain number of sweets. Of he eats 16 a day, they will last him 2 days longer than if he eats 18 a day. How many sweets has he?
Click here to see answer by lwsshak3(6764)

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