SOLUTION: 3x - 4y = 4
x + 2y = 8
(Solve using any method, and please name the method as well)
Algebra.Com
Question 420648: 3x - 4y = 4
x + 2y = 8
(Solve using any method, and please name the method as well)
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
3x - 4y = 4
x + 2y = 8
-----
Method: elimination
Multiply thru the 2nd equation by 2:
3x - 4y = 4
2x + 4y = 16
----
Add and solve for "x":
5x = 20
x = 4
---
Solve for "y":
x + 2y = 8
4 + 2y = 8
2y = 4
y = 2
----
Solution: (4,2)
====================
Cheers,
Stan H.
===========
RELATED QUESTIONS
please help: solve using any Algebra Method
3x-2y=-5
x-4y=1
(answered by mananth)
solve the system of linear equations using the guass-jordan method.
x-2y=8
3x+4y=4
(answered by ks)
Solve the system of linear equations using the Gauss-Jordan elimination method
x-2y=8;... (answered by MathLover1)
Use the substitution method to solve the following system.
3x+2y=8... (answered by Alan3354)
Solve the system of equations 3x - 2y = 8 and x + 4y = 11 by graphical... (answered by MathLover1,greenestamps)
solve the system x+2y=4 and x-2y=-8 by any... (answered by ewatrrr)
Q.4. Solve the eq using matrix method
3x + 2y + 2z = 11
x + 4y + 4z = 17
6x + 2y + 6z... (answered by ewatrrr)
solve using substitution method
7x+4y=48... (answered by ewatrrr)