SOLUTION: The solve the system using the Linear combination mathod.
21x-8y=-1
9x+5y=8
Algebra.Com
Question 16545: The solve the system using the Linear combination mathod.
21x-8y=-1
9x+5y=8
Answer by kikerkins(17) (Show Source): You can put this solution on YOUR website!
21x-8y=-1
9x+5y=8
Let's solve for X first
5(21x-8y=-1)
8(9x+5y=8)
Distribute.
105X-40Y=-5
72X+40Y=64
Add down
177X=59 ( the Y's cancel)
X=59/177
Now plug 59/177 in for X
9(59/177)+5y=8
513/177+5Y=8
5Y=301/59
Y=301/295
RELATED QUESTIONS
Solve using the multiplacation mathod.... (answered by checkley71)
Solve the system
{9x -5y=1... (answered by ankor@dixie-net.com)
solve the system using the linear combination method: 5x+y=6... (answered by funmath)
solve the system using the linear combination method
4x+2y=2... (answered by drj)
solve the system of equations using the addition method
9x-5y=4... (answered by RAY100)
solve the following system of equations using the elimination method:
3x+2y=48... (answered by Maths68)
solve the linear system...if the system is inconsistent or dependent, so state
3x-2y = (answered by checkley71)
Solve the following system by elimination
-9x-8y=-10... (answered by checkley77)