SOLUTION: Identify the solution(s) of the system of equations, if any. x+2y=4 9x-4y=3 Possible answers:(1,2/3) (1,3/2) (2/3,1) (3/2, 1)

Algebra ->  Human-and-algebraic-language -> SOLUTION: Identify the solution(s) of the system of equations, if any. x+2y=4 9x-4y=3 Possible answers:(1,2/3) (1,3/2) (2/3,1) (3/2, 1)      Log On


   



Question 855833: Identify the solution(s) of the system of equations, if any.
x+2y=4
9x-4y=3
Possible answers:(1,2/3) (1,3/2) (2/3,1) (3/2, 1)

Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 
Hi,
x+2y=4
9x-4y=3
2x+4y=8 |Multiplying 1st EQ by 2 and adding to the 2nd to eliminate y
9x-4y=3
11x = 11
x = 1 and x%2B2y=4⇒ y = (4-1)/2 = 3/2
CHECKING our answer***
using: 9x-4y=3
+9%2A1+-+4%283%2F2%29+=+3
Wish You the Best in your Studies.