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

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

Question 243124: how do I solve 3(2+2)= X/2
Click here to see answer by checkley77(12569)

Question 243264: Solve by elimination.
-6x - 2y = -5
-12x - 4y = -10
Click here to see answer by checkley77(12569)

Question 243353: Solve the problem. The difference between two numbers is 4. Two times the smaller number minus four times the larger is -28. What are the numbers?
Click here to see answer by checkley77(12569)

Question 243351: Solve by elimination.
8x + 7y = -16
6x - 3y = -12
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Question 243360: Decide whether or not the ordered pair is a solution of the system.
(12, 6)
y = 1/2x
2x + y = 18
Click here to see answer by checkley77(12569)

Question 243370: Solve using the substitution method.
x + y = -4
y = -3x + 2
Click here to see answer by stanbon(57407)

Question 243359: Decide whether or not the ordered pair is a solution of the system.
(1, -3)
2x + y = -1
3x + 2y = -3
Click here to see answer by kamaldas(6)

Question 243721: Solve using the elimination method.
2 x - y = 6
5x + y = 22
Click here to see answer by jim_thompson5910(28598)

Question 243721: Solve using the elimination method.
2 x - y = 6
5x + y = 22
Click here to see answer by checkley77(12569)

Question 243719: Solve using the substitution method.
y = 2x - 5
3x + y = 15
Click here to see answer by unlockmath(1603)

Question 243720: Solve by the substitution method.
x + y = 2
x + y = -9
Click here to see answer by jim_thompson5910(28598)

Question 243720: Solve by the substitution method.
x + y = 2
x + y = -9
Click here to see answer by checkley77(12569)

Question 243856: the sum of two number is 46/5 one of them is 3/5 of the other .find the number?
Click here to see answer by unlockmath(1603)

Question 244081: 3m-2n=13
Click here to see answer by checkley77(12569)

Question 240107: The greater of the two integers is 10 more than twice the smaller. The sum of the two integers is -8. Find the integers.

Click here to see answer by richwmiller(9143)

Question 245916: -y=5x+18 solve for y
Click here to see answer by solver91311(16897)

Question 245919: Is each equation a direct variation? If it is, find the constant of variation.
y=5x
Click here to see answer by jim_thompson5910(28598)

Question 245880: 1)x+2y=12
3x-2y=8
2)3x+y=2
y=3x+4
3)sammy sold 700 tickets tatoling $13330. if the tickets were $25 adults and $15 students, how many of each ticket did sammy sell? adult___, student____.
Click here to see answer by checkley77(12569)

Question 246121: Solve the system: y=2x+1 and x^2 + y^2 =25. Do I do this with graphing or substitution? Please provide solution
thanks
Click here to see answer by stanbon(57407)

Question 246597: Ron and Kathy are ticket-sellers at their class play, Ron handling student tickets that sell for $2.00 each and Kathy selling adult tickets for $5.50 each. If their total income for 30 tickets was $105.50, how many did Ron sell?
a. 18 tickets b. 13 tickets c. 19 tickets d. 17 tickets
Click here to see answer by dabanfield(803)

Question 246600: Decide whether or not the ordered pair is a solution of the system.
(-3, -2)
x + y = -5
x - y = -1
Yes or No.. I say No on this one.. but I am double checking
Click here to see answer by edjones(7569)

Question 246596: The sum of two angles is 119°. One angle is 22° less than twice the other. Find the angles.

a. 68° and 51° b. 47° and 72° c. 45° and 74° d. 45° and 68°
Click here to see answer by edjones(7569)

Question 246603: a contractor mixes concrete from bags of pre-mix for small jobs. How many bags with 8% cement should he mix with 6 bags of 16% cement to produce a mix containing 11% cement?

a. 16 bags b. 12 bags c. 10 bags d. 21 bags
Click here to see answer by edjones(7569)

Question 246680: x/4+4/x=17/4

Click here to see answer by checkley77(12569)

Question 246835: The area of a rectangle is 100ft^2. Use x as the width and x+2 as the length. What are the dimensions of the rectangle.
Click here to see answer by checkley77(12569)

Question 246966: Combine the terms and simplify as much as possible:
p^2/2mr^2-gmM/r
Click here to see answer by stanbon(57407)

Question 246602: In a chemistry class, 6 liters of a 4% silver iodide solution must be mixed with a 10% solution to get a 6% solution. How many liters of the 10% solution are needed?

a. 4.0 L b. 6.0 L c. 3.0 L d. 2.0 L

Is it A???
Click here to see answer by Alan3354(30993)

Question 247402: -2x-9y=-25
-4x-9y=-23
this solving systems of equation by elimination

Click here to see answer by stanbon(57407)

Question 247744: I need to find the values for X and Y in the following problem
(2/X)+(3/2Y)=(11/4)
(5/2X)-(2/Y)=(2/3)
Click here to see answer by stanbon(57407)

Question 247958: Solve by the substitution method.
3x+2y=11
x-2=(-4y)
what i did so far:
x=2-4y
3(2-4y)+2y=11
6-12y+2y=11
6-14y=11
-14y=5
-14y/-14 =y
5/-14= ?
when i divide i get a long decimal with random numbers and i get confused >.<
then i tried:
3x+2y=11
x-2=(-4y)
x=(-4y)+2
3(-4y+2)+2y=11
(-12y)+6+2y=11
(-10y)=17
-10y/-10=y
17/-10=
Help? D:
Click here to see answer by scott8148(6628)

Question 248962: -4(3+x)+5=4(x+3)
what is x
Click here to see answer by dabanfield(803)

Question 248976: Please help me solve this system by any method.
r/2 + s/3 = 6
r/4 - 1 = s/6
Click here to see answer by edjones(7569)

Question 248964: Solve this equation by elimination
5x+3y=19
2x-5y=11
Click here to see answer by checkley77(12569)

Question 248963: 2.5(x-3)+1.7x=10.8(x+1.5)
what is x
Click here to see answer by checkley77(12569)

Question 248961: m-2n=16
4m+n=1
Click here to see answer by checkley77(12569)

Question 249056: SOLVE EACH SYSTEM BY SUBSTITUTION
[x=y-8
[-x-y=0
Click here to see answer by tutorcecilia(2152)

Question 249341: The perimeter of of a rec is 40ft the length of the rec is twice the width. write a system of equation to find length and width where L is length and W is width.
So far I have 2L+2W=40
L-2W
am i doing this right?
Click here to see answer by richwmiller(9143)

Question 249649: Solve using elimination method or multiplication principle first.
A basketball player once scored 36 points on 22 shots in a game. Shooting only two-pointers and foul shots(one point). How many of each type of shot did he make?
Thanks for any help or guidance as this problem has me stumped!!
Click here to see answer by checkley77(12569)

Question 250013: the price of a tv was reduced from $450 to $360. What is the % of decrease?
Click here to see answer by rfer(12675)

Question 250178: is (6,-7) a solution of 3x - 4y = 5
Click here to see answer by richwmiller(9143)

Question 250178: is (6,-7) a solution of 3x - 4y = 5
Click here to see answer by rockstar2083(1)

Question 250271: 2x+3y=7
3x+4y=10
i need to find teh exact point where these two systems fo equations meet. can anybody help me?
Click here to see answer by solver91311(16897)

Question 250271: 2x+3y=7
3x+4y=10
i need to find teh exact point where these two systems fo equations meet. can anybody help me?
Click here to see answer by checkley77(12569)

Question 250389: Solve nonlinear system by substitution. How would you confirm this on a graph?
x^2+y^2=25
x^22-y=5
Click here to see answer by richwmiller(9143)

Question 250425: I wrote the problem incorrectly for the nonlinear system by substitution.
x^2+y^2=25
x^2-y=5
Click here to see answer by stanbon(57407)

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