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

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

Question 796473:
Click here to see answer by tommyt3rd(5050)

Question 792879: Find all integer values of x that make the equation true.
|x + 2| = 7
Click here to see answer by tommyt3rd(5050)

Question 796942: solutions of three equations in three variables
x+y+z=4
2x+y-z=1
2x-3y+z=1
i want to eliminate z first so i believe i take equations 2 & 3 and add them and my result is:
2x+y-z=1
+ 2x-3y+z=1
------------------
4x-2y=2

what do i do from here can someone help me?
Click here to see answer by Alan3354(69443)

Question 797429: How do you solve y+7x=11; x=-1,0,2?

Click here to see answer by Alan3354(69443)

Question 797414: 2y-3|5=1|2 |=fraction line
Click here to see answer by Alan3354(69443)

Question 798051: What is the next three numbers to this sequence 1/4,1/6,1/9,2/27

Click here to see answer by KMST(5328)

Question 798188: -9(k+7) - (-6k-8) = -4k = please help me step by step
Click here to see answer by jim_thompson5910(35256)

Question 798372: solve:
solutions of three equations in three variables:
2x+y-z=1
x+2y+2z=2
4x+5y+3z=3

PLEASE SHOW WORK!!! (IVE ASKED IN PREVIOUS QUESTIONS TO SHOW WORK AND NO ONE HAS DONE SO .. I JUST NEED TO UNDERSTAND HOW TO DO THIS!)
Click here to see answer by Alan3354(69443)

Question 800577: how to simplify this :
x+(1/x^2)
Click here to see answer by Alan3354(69443)

Question 800742: 3x+5y=11, x+3y=13
Click here to see answer by mananth(16946)

Question 800970: Please help me solve this equation:
y = 3x-3
Y =
Click here to see answer by Alan3354(69443)

Question 800738: x+2y=1,

Click here to see answer by tommyt3rd(5050)

Question 802476: represent the relationship words, an expression, and a graph
figure #, x
1
2
3
4
5
total small triangles, y
3
12
27
_
_
ordered paired, (x,y)
(1,3)
(2,12)
(3,27)

Click here to see answer by stanbon(75887)

Question 802810: How do I solve for x if the equation given is -2z-xy=x+7
Click here to see answer by MathLover1(20849)

Question 805611: hello, i'm really confused how to start off this equation; i've been told that i have to put it into the general formula ax^2 + bx + = 0 (is that even correct also?) here is the simultaneous equation: (Solve for x and y)

p.s. i hope i've written the question clearly enough, since it's my first time on this site
thank you in advance :)

Click here to see answer by richwmiller(17219)

Question 805638: Solve the following simultaneous equation for x and y: (with steps please)

Thank You! :)
Click here to see answer by richwmiller(17219)

Question 806630: Is the compound interest formula�such as would be used to calculate a car loan�an example of a function? If yes, of what type of function is it an example? Why might you identify it with that type of function?

Click here to see answer by solver91311(24713)

Question 807450: The product of a mans age 6 years ago and his age in 10 years is 960. Find his age now
Click here to see answer by Cromlix(4381)

Question 807953: log x^2(x+1)^3/y^2
Click here to see answer by Alan3354(69443)

Question 808176: Solve the following
y+3 = 2x
x^2 +2xy = -1
Can you please help me out? Thank you
Click here to see answer by mananth(16946)

Question 808829: what is the solution to the abpve system of equations?
2x+3y=11
3x+3y=18
Click here to see answer by JBarnum(2146)

Question 809897: We have figured out how to set up the equation but not sure how to get the answer to the following word problem:
Click here to see answer by richwmiller(17219)

Question 810029: If peanuts cost $5 per pound and cashews cost $8 per pound, how many pounds of peanuts and cashews should be mixed to get 60 pounds of mixed nuts to be sold at $6 per pound? I need help setting up a system of equation
Click here to see answer by Alan3354(69443)

Question 810860: Graph each system. Tell whether the system has no solution, one solution, or infinitely many solutions.
y = �3x � 3
y = �3x + 2
Click here to see answer by richwmiller(17219)

Question 809410: The largest measure of an angle of a triangle has a measure that is 10 less than three times the second angle. The measure of the smallest is equal to the difference between the largest and twice the middle angle. Determine the measures of all three angles.
Click here to see answer by Benyamin(2)

Question 811800: determine whether the graphs of the equation are parallel, perpendicular, or neither
a. y=2x+5
2x+y=9
b. 3x+4y=7
4x=3y-8
please help me figure this out, my teacher gives us take home tests but she does not really do a lesson on anything before she hands us the test. I am not really good at math from the beginning so i am really struggling here. if anyone could please help me out i would really appreciate it! Thank you so much!!!
Click here to see answer by richwmiller(17219)

Question 812163: What is the work for this..
y=-5x+17.
6x-y=16.
Answer is 3 for substitution.
Click here to see answer by richwmiller(17219)

Question 812219: how would you solve 16h to the 5th minus 25 h to the 3rd plus 9h equals 0
Click here to see answer by Edwin McCravy(20054)

Question 812219: how would you solve 16h to the 5th minus 25 h to the 3rd plus 9h equals 0
Click here to see answer by KMST(5328)

Question 812941: Solve
a) x^4 + x^2 - 6 = 0

Can you please help me out? Thanks so much in advance:)
Click here to see answer by jim_thompson5910(35256)

Question 813409: really stuck on this equation with three variables.
3x=-12
2x-y=3z=-1
3x+4-z=-7
Click here to see answer by ewatrrr(24785)

Question 813422: hi, really stuck on these :(
solve each system of inequalities by graphing
1){y>-x+4
y≤x+2
2){y<=1/2x-3
y≥2/3x-3
3) {y+3≤2x
x≤3
Click here to see answer by ewatrrr(24785)

Question 813434: Solve
a) x^(2/3) + x^(1/3) - 6 = 0
Can you please help me out? Thanks so much in advance:)
Click here to see answer by ewatrrr(24785)

Question 813575: make m the subject of the formula
f = s(M-m)/(M+m)

Click here to see answer by stanbon(75887)

Question 813605: Struggling with this equation
3/x-2+4/5=27/5(x-2)
Click here to see answer by Alan3354(69443)

Question 813799: solve simultaneous graphically y=4x^2 and xy=-10
Click here to see answer by josgarithmetic(39616)

Question 814777: http://i.imgur.com/WKn

Not sure how to d o this, could use some help!
Click here to see answer by richwmiller(17219)

Question 814843: Help me solve this equation:
3x-7y=5
2x-9y=5
Click here to see answer by josgarithmetic(39616)

Question 814843: Help me solve this equation:
3x-7y=5
2x-9y=5
Click here to see answer by MathTherapy(10551)

Question 814968: The area of a rectangle is 4 cm2
while its perimeter is 10 cm. Find the dimensions of the
rectangle.
Click here to see answer by ewatrrr(24785)

Question 814968: The area of a rectangle is 4 cm2
while its perimeter is 10 cm. Find the dimensions of the
rectangle.
Click here to see answer by FightinBlueHens(27)

Question 815483: Is it possible for an equation to have a solution but no graph? Here's the problem: 2/x + 3/y = 2, 4/x - 9/y + 1. The solution I got was x=2, y=3. But I don't know what to do when getting x and y intercept since there's undefined. (like 3/0 and 9/0)
Click here to see answer by Alan3354(69443)

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