Solve for both systems: x = - 3y - 18 and x = - 4y - 24

Asked by AnneS2 12 years ago 10/11/2013 7:54 AM

Last updated by anonymous 12 years ago 10/12/2013 10:35 AM

Answered by CherieS 12 years ago 10/12/2013 10:35 AM

x = - 3y - 18

- 4y - 24 = - 3y - 18

- 4y - 24+3y = - 3y - 18+3y

-y-24=-18

-y-24+24=-18+24

-y=6

-y/-1=6/-1

y=-6

x = - 3y - 18

x = - 3(-6) - 18

x=18-18=0