solving systems using elimination

Question

0

1170

3

what is the value of x?

4x+y=6
2x-y=0

a. x= -1
b. x= 0
c. x= 1
d. x= 2

PS. Can someone plz answer by tonight? i need it for homework...

thxx

Guest Feb 14, 2012

Guest · Answer 1 · 2012-02-14T07:46:26

y=2x

4x=6-2x
6x=6
x=1

admin · Answer 2 · 2012-02-14T06:08:52

g.c:
what is the value of x?

4x+y=6
2x-y=0

[input]solve( 4x+y=6, 2x-y=0 )[/input]

Guest · Answer 3 · 2015-09-29T11:41:24

y=2-2x

x-y-5