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elimination

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17 articles trouvés pour ce sujet.
 
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The method of elimination 2015-05-01
oreanna pose la question :

Question from oreanna, a student:

How do u solve 2x+9y=3

7x-4y=-25 in elimination


Penny Nom lui répond.
The method of elimination 2014-07-05
leo pose la question :
please explain how can i solve this problem

3x-6y=-38
6x-9y=44

using elimination and simultaneous method thank you :)

Penny Nom lui répond.
Four equations 2013-08-08
may pose la question :
HI how to solve this 4 equations?
A+C = 0
-4A+B-8C+D=1
3A+16C-8D=-29
-12A+3B+16D=5

Robert Dawson lui répond.
Four apples and two oranges cost Rs. 30... 2012-01-13
nasr pose la question :
Four apples and two oranges cost Rs. 30, and one apple and 3 oranges costs Rs.15.How much does each apple and each oranges cost?
Harley Weston lui répond.
Eliminate y 2011-04-07
Lynn pose la question :
2x + y = 8
y + 3z =5
z + 2w =1
5w + 3x = 9

Form three equations with y eliminated

Penny Nom lui répond.
Elimination and substitution 2010-09-18
Lauren pose la question :
Solve one using the method of substitution and the other with the method of elimination.

v a. y=5x+4
x=2y+1

b. 4x+3y=7
6x-3y=13

Penny Nom lui répond.
x/a +y /b =a+b : x/a^2+ y/b^2 =2 2010-05-30
smithu pose la question :
x/a +y /b =a+b : x/a2+ y/b2 =2 solve by using elimination method , cross multiplication, substitution method
Penny Nom lui répond.
A linear system 2009-10-20
marissa pose la question :
Solve this linear system
2x-y=5
3x+y=-9

Penny Nom lui répond.
Elimination method 2009-10-08
Kenty pose la question :
How do I solve this problem using the elimination method?
3x-7y=0
6x+4y=0
I am not sure how so if someone can show me a similar problem (instead of solving this one for me) that would be fantastic.

Penny Nom lui répond.
Two equations in two unknowns 2009-09-18
Citizen pose la question :
x+-3y=7
-x+4y=7

Penny Nom lui répond.
Linear systems 2009-02-20
Rose pose la question :
I have been having trouble trying to figure out these three math problems , I need help breaking them down so I could understand them better please help.
1. x = 7 - x
2 x - y + 8

2. 8 x + 5 y = 1 8 4
x - y = 3

3. y + 2 x = 3
y + 2 x = 4

I can't figure out how to break them down in the right order.

Penny Nom lui répond.
Chicken and goat feet 2007-12-05
Kim pose la question :
Old McDonald raises goats and chickens. The animals have a total of 100 heads adn 360 feet. How many goats and how many chickens does Mr. McDonald have?
Stephen La Rocque and Penny Nom lui répond.
Simultaneous equations : the Elimination method 2007-06-21
Patricia pose la question :
I need to find the value of X and Y using the Elimination method.

5/x + 3/y=4
25/x-2/y=3

Stephen La Rocque lui répond.
Simultaneous equations with fractions 2007-02-28
Alyca pose la question :
Hello Math Central, I am a grade 10 student taking Academic math. Our unit right now is method of substitution and elimination. I'm stuck on this one question that I've been doing forever. Please help =)

*For this equation I have to do method of elimination, but it's so much harder with fractions...could some one please explain to me how to do it step by step?*
x y 2
-- - -- = - --
3 6 3

x y 1
-- - -- = 1---
12 4 2

Steve La Rocque and Ashley Mang lui répond.
The elimination method 2007-01-31
Addrianna pose la question :
x-2y=2
3x-5y=7

Stephen La Rocque lui répond.
Systems of equations 2003-11-19
Scott pose la question :

I hope that u can help me....I am a college student taking a class in Pre Calculus.....I have homework due this Friday and it counts a BIG Percentage on my FINAL grade.....I am getting mixed up and can not figure out a few problems.....Please help me.....

Method Of Subsitution

Problem 1. y- 8x = -5
x(squared) + y(squared) = 25

Problem 2. y = x(squared) - 2x - 6
Y = x(squared) - 4

Penny Nom lui répond.

The elimination method 1999-12-02
Jennifer pose la question :
Could I get an answer to this one:

2x+5y=36
3x+2y=32

I have to use the Elimination method, as I already know how to do Substitution. How do I begin and show my work? I'm attempting to eliminate the values for y.
Penny Nom lui répond.

 
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