Math

Solve for both systems: 2x + 4y = 14 and 2x + y = 5

Asked by AnneS2 on 02 Nov 07:24

Last updated by anonymous on 03 Nov 14:02

1 Answers

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Answered by CherieS on 03 Nov 14:02

2x + 4y = 14

2x + 4y-4y = 14-4y

2x= 14-4y

2x/2= 14-4y/2

x=7-2y

2x + y = 5

2(7-2y) + y = 5

2(7) (2)(-2y) + y = 5

14-4y+ y = 5

14-3y= 5

14-3y-14= 5-14

-3y=-9

-3y/-3=-9/-3

y=3

x=7-2y

x=7-2(3)

x=7-6=1