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

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Question 185895: Solve for L: S=2WL+2WH+2LH
Can you please explain the steps in the easiest way possible? I'm in Algebra and i have a HUGE test coming up so feel free to leave other different methods to solve the problem fast and other sites where i can get th help i need. Thanks

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Question 184800: m=7/8(1,0) solve for y
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Question 186259: y=x and 3x +2y=20


solution:(4,4)


how did my text book come up with the solutions (4,4)

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Question 186412: x+y=3
x-y=13

answer:(8,-5)
need a full break down of how my text book come up with those solutions

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Question 186409: y=3x and x + y=2

answer: 1/2, 3/2
wanted to know how my book got these fractions as answer need full break down

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Question 186410: systems by elimination
6x-7y=21
3x+7y=6

answer:(3, -3/7)

need a full break down of how my book got this answer i understand how they got the 3 but dont understand how they got -3/7

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Question 186448: 6x-7y=21 and 3x+7y=6

answer:(3, -3/7)
need to know how my book got the -3/7 full break down please

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Question 186522: a private airplane leave an airport and flies due south at 192 km/h. 2 hours later a jet leaves the same airport and flies due south at 960 km/h. when will the jet overtake the plane

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Question 186542: Solve the System.
2x+3y+2z=1
2x-3y+2z=-1
4x+3y-2z=4
x=
y=
z=

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Question 186541: Solve the System.
3x-y-2z=23
x+y+6z=9
2x-2y-z=28
x=
y=
z=

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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

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Question 186539: Solve the system.

2x+2y+3z=10
3x+y-z=0
x+y+2z=6
x=
y=
z=

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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!!!!

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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

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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!

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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

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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

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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

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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(22740) About Me 

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.
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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.
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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.
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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

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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

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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

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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

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

answer (0,4)
need a break down of how my text book got this answer

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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

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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

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


solution:(14,-3)
need a break down of how my text book got these solutions

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

solution (6,-2) how did my text book come up with thesesolutions

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

solution (6,2) how did my text book come up with thesesolutions

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

solution (6,2) how did my text book come up with thesesolutions

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Question 187521: Solve: 5x+3/root over y=13
2x-9/root over y=1
by elimination method.

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

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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



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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

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Question 188350: 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?
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Question 188339: x-2y=6
y=11-3x

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Question 188802: How do I solve the following system of equations?
+x%5E2+%2B+y%5E2++=+169
+x%5E2++-+8y+=+104

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

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Question 188798: y = +sqrt+x+ + 4
y = 2x+1

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Question 188872: The problem wants me to find the points of intersection, if any, of the graphs in the system:
x%5E2-y=5
-3x%2By=-7
can you please help me solve this so i know what to do for future problems like this?

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Question 188832: x^2 + y^2 = 10
2x^2 - y^2 17

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

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Question 190418: how would you solve this linear function?

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