5x+4y=6
3x-4y=10
so y=
x=
2007-12-12 05:39:44 · 7 answers · asked by churrrrrrrrrrrrn 1 in Science & Mathematics ➔ Mathematics
8x = 16
x = 2
10 + 4y = 6
4y = - 4
y = - 1
x = 2 , y = - 1
2007-12-12 09:57:10 · answer #1 · answered by Como 7 · 3⤊ 0⤋
Adding both equations eliminates y:
5x+4y=6
3x-4y=10
-------------
8x + 0y = 16
So x = 2
Substitute:
5*2 + 4y = 6
10 + 4y = 6
4y = -4
y = -1
2007-12-12 13:44:36 · answer #2 · answered by ben e 7 · 0⤊ 1⤋
5x+4y = 6
3x-4y = 10
8x = 16
x = 2
y = (-1)
2007-12-12 13:48:35 · answer #3 · answered by APR 2 · 0⤊ 1⤋
8x = 16
x=2
Substituting, y = -1
2007-12-12 13:46:29 · answer #4 · answered by Anonymous · 0⤊ 0⤋
x =2
y= -1
2007-12-12 13:45:47 · answer #5 · answered by Anonymous · 0⤊ 0⤋
an easiest 7th stndrd problem... x =2; y= -1
2007-12-12 13:51:33 · answer #6 · answered by Subhajit M 1 · 0⤊ 1⤋
YES!!!
2007-12-12 13:49:00 · answer #7 · answered by Rod Mac 5 · 0⤊ 1⤋