SOLUTION: please solve the system of linear equation by elimination method
x-y/x+y=4/5
7x-13y=50
i need its answer today..please
Algebra.Com
Question 666578: please solve the system of linear equation by elimination method
x-y/x+y=4/5
7x-13y=50
i need its answer today..please
Found 2 solutions by best82, Alan3354:
Answer by best82(13) (Show Source): You can put this solution on YOUR website!
You cannot eliminate this.
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
please solve the system of linear equation by elimination method
x-y/x+y=4/5
7x-13y=50
------------
x-y/x+y=4/5
cross multiply
5(x-y) = 4(x+y)
5x-5y = 4x+4y
x - 9y = 0
Times 7 -->
7x - 63y = 0
7x - 13y = 50
-------------- Subtract
0x - 50y = -50
y = 1
=================
x - 9y = 0
x = 9
RELATED QUESTIONS
hi,
Can u solve this system of linear equation?
The question is:
x-y 4
___ = (answered by ankor@dixie-net.com)
Please help! I need to solve the system of linear equations by method of elimination.... (answered by Alan3354)
Solve by the elimination method. x - y = -13 and 6x - 8y = -86
I need this today please. (answered by macston)
Please help me solve this linear system by using the elimination method.
x - 2y = 6... (answered by wuwei96815)
Solve each system of linear equation by method
2x + y = 4
x + 2y = 14
Please help
(answered by Fombitz)
Method of Substitution
13. Explain why it would be appropriate to solve the following... (answered by Mathtut)
I need you to help with a graphical method. I do not understand it or algebra to beging... (answered by mananth)
Solve the following system of linear equations by the elimination method. (If the system... (answered by mananth)
please i have a problem with the following equation and don't know how to go about it and (answered by ewatrrr)