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

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Algebra: Systems of equations that are not linear

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Question 186541: Solve the System.
3x-y-2z=23
x+y+6z=9
2x-2y-z=28
x=
y=
z=
Click here to see answer by Alan3354(6097)

Question 186686: solve each system. substitute a for 1/x and b for 1/y. solve for a and b, then find x and y
1/x+2/y=-1
2/x-1/y=-7
Click here to see answer by uday1435(57)

Question 186539: Solve the system.

2x+2y+3z=10
3x+y-z=0
x+y+2z=6
x=
y=
z=
Click here to see answer by uday1435(57)

Question 186714: Solve the system.
3x+2y-z=-8
2x-y+7z=33
2x+2y-3z=-17
x=
y=
z=
*Attempted problem more than once, solution still came out incorrect. Please Help!!!!
Click here to see answer by Earlsdon(4900)

Question 186754: 2x-3y= 7
3x+7y= -1
answer (2,-1)

need a break down of how my text book got the solutions 2, -1
Click here to see answer by jim_thompson5910(13794)

Question 186775: When three planes coincide, the equations of the system are ___, and there are ___ many solutions.
1st blank:
2nd blank: infinitely
In the lst blank I filled in consistent, but the answer came out incorrect.
Please Help!
Click here to see answer by user_dude2008(716)

Question 186755: 2x+4y=12
x +y= 4

answer: (2,2)

i need a full break down on how my text book got 2,2 as a solution
Click here to see answer by jim_thompson5910(13794)

Question 186760: x-y= 6
3x+5y=30

answer:( 7 1/2, 1 1/2)
need a full break down on how my text book came up with these solutions
Click here to see answer by checkley77(7072)

Question 186757: 3x + 2y= -2
15x +6y= 12

answer:( 3, -11/2)

need a full break down of how my book came up with these solutions
Click here to see answer by checkley77(7072)

Question 186924: 3x+ 2y=-2 multiply this equation by -3 & add them
15x 6y=12
to get -9x-6y=6
------------------------------
6x=18 want to know how 6x-18 came about from -9x-6y=6
x=18/6
x=3 answer.

can anyone tell me how my book got 6x=18 from -9x-6y=6 ?

Click here to see answer by ankor@dixie-net.com(6693)

Question 187306: The sum of the digits of a two-digit number is 11. If 45 is added to the number the result is the number with the digts reversed. Find the number.
Click here to see answer by Alan3354(6097)

Question 187305: The sum of the digits of a two-digit number is 11. If 45 is added to the number, the result is the number reversed. Find the number.
Click here to see answer by Alan3354(6097)

Question 187389: 2x-3y =18 and 5x +3y =3

solutions ( 3 ,-4) dont understand how my book got the solution 3 need a full break down
Click here to see answer by MathLover1(1183)

Question 187389: 2x-3y =18 and 5x +3y =3

solutions ( 3 ,-4) dont understand how my book got the solution 3 need a full break down
Click here to see answer by stanbon(26297)

Question 187389: 2x-3y =18 and 5x +3y =3

solutions ( 3 ,-4) dont understand how my book got the solution 3 need a full break down
Click here to see answer by uday1435(57)

Question 187389: 2x-3y =18 and 5x +3y =3

solutions ( 3 ,-4) dont understand how my book got the solution 3 need a full break down
Click here to see answer by josmiceli(3013)

Question 187388: 2x+3y= 12 and x+y=4

answer (0,4)
need a break down of how my text book got this answer
Click here to see answer by jojo14344(1483)

Question 187386: 2x-3y =18 and 5x +3y =3

solutions ( 3 ,4) dont understand how my book got the solution 3 need a full break down
Click here to see answer by jojo14344(1483)

Question 187386: 2x-3y =18 and 5x +3y =3

solutions ( 3 ,4) dont understand how my book got the solution 3 need a full break down
Click here to see answer by Earlsdon(4900)

Question 187421: 2x+ 4y=16 x+3=5

solution:(14,-3)
need a break down of how my text book got these solutions
Click here to see answer by stanbon(26297)

Question 187420: 2x + 2y=8 and 4x-6y=36

solution (6,-2) how did my text book come up with thesesolutions
Click here to see answer by stanbon(26297)

Question 187419: 2x + 2y=8 and 4x-6y=36

solution (6,2) how did my text book come up with thesesolutions
Click here to see answer by nerdybill(2448)

Question 187419: 2x + 2y=8 and 4x-6y=36

solution (6,2) how did my text book come up with thesesolutions
Click here to see answer by josmiceli(3013)

Question 187521: Solve: 5x+3/root over y=13
2x-9/root over y=1
by elimination method.
Click here to see answer by ankor@dixie-net.com(6693)

Question 188198: OKay we are givien two equations to solve ant the are 2x+5y=11 and -3x+8y=-1

Click here to see answer by jim_thompson5910(13794)

Question 188361: Hi need help please in solving all values of x and y and can you please show me each step
1. 5x + 2y =16
3x - 5y =-9

Click here to see answer by jim_thompson5910(13794)

Question 188362: Hi need help please in solving all values of x and y and can you please show me each step this is another one
1. x^2 - 3y^2 = 13
x - 2y = 1
Click here to see answer by jim_thompson5910(13794)

Question 188350This question is from textbook
: Mrs. Jones is celebrating Gauss's birthday by having a pizza party for her two algebra classes. She orders 3 pizzas and 3 bottles of soda for $23.34 for her second period class and 4 pizzas and 6 bottles of soda for $32.70 for her 7th period class. How much does each pizza and each bottle of soda cost? This question is from textbook

Click here to see answer by stanbon(26297)

Question 188339: x-2y=6
y=11-3x
Click here to see answer by jojo14344(1483)

Question 188802: How do I solve the following system of equations?

Can you provide a detailed answer, including all of the steps used to solve the system of equation?

Click here to see answer by jim_thompson5910(13794)

Question 188798: y = + 4
y = 2x+1
Click here to see answer by jim_thompson5910(13794)

Question 188872This question is from textbook ALGEBRA 2
: The problem wants me to find the points of intersection, if any, of the graphs in the system:

can you please help me solve this so i know what to do for future problems like this?This question is from textbook ALGEBRA 2

Click here to see answer by Alan3354(6097)

Question 188832: x^2 + y^2 = 10
2x^2 - y^2 17
Click here to see answer by jonvaliente(64)

Question 190126: what is the answer to 11x-2y+5x-7y

Click here to see answer by cutepiscean5(19)

Question 190418: how would you solve this linear function?

Click here to see answer by Alan3354(6097)

Question 190455: Hello tutor, I have a doozy for you. Its an algebraic equation in fraction form.
(2)/(3)=2-(5x-3)/(x-1)
Thank you for your help =)

Click here to see answer by solver91311(5072)

Question 190451: Hello tutor- this is an algebraic equation involving fractions. I know I have to find the LCD- but I am a bit lost...Thanks.
Show the steps that you would take to solve the following algebraically:
(3)/(x-3)=(x)/(x-3)-(3)/(2)

What potential solution did you obtain? Explain why this is not a solution.
Click here to see answer by jim_thompson5910(13794)

Question 190501: |3x-8|=32

Click here to see answer by edjones(3299)

Question 190693: fx=3x squared -18x+4 find the vector, the line of symmetry and max. I have tried every thing from foil to factoring.
Click here to see answer by nerdybill(2448)

Question 191566: 4a+7b=22
8a+3c=7
6b+3c+3
Click here to see answer by checkley75(3666)

Question 191587: a student opens a book to two facing pages. The product of the page number is 506. what are the page numbers.
Click here to see answer by stanbon(26297)

Question 191854: The Lang family and the Rogers family went to a brunch buffet. The restaurant charges one price for adults and another price for children. The Lang family has two adults and three children, and their bill was $40.50. The Rogers family has three adults and one child, and their bill was $38.00. What is the price of the buffet for an adult and the price of a child?
Click here to see answer by checkley75(3666)

Question 191850: 135+(60+45)(x-3)=800
Click here to see answer by checkley75(3666)

Older solutions: 1..45, 46..90, 91..135, 136..180, 181..225, 226..270, 271..315, 316..360, 361..405, 406..450, 451..495, 496..540, 541..585, 586..630, 631..675, 676..720, 721..765, 766..810, 811..855, 856..900, 901..945, 946..990, 991..1035, 1036..1080, 1081..1125, 1126..1170, 1171..1215, 1216..1260, 1261..1305, 1306..1350, 1351..1395, 1396..1440, 1441..1485, 1486..1530, 1531..1575, 1576..1620, 1621..1665, 1666..1710, 1711..1755