Math

Solve - 3x - 2y = - 18 and - 4x - 4y = - 20

Asked by
Last updated by anonymous
1 Answers
Log in to answer

- 4x - 4y = - 20

- 4x - 4y+4y = - 20+4y

-4x= - 20+4y

-4x/-4= - 20/-4+4y/-4

x=5-y

- 3x - 2y = - 18

- 3(5-y) - 2y = - 18

- 3(5) (-3)(-y) - 2y = - 18

-15+3y-2y=-18

-15+y=-18

-15+y+15=-18+15

y=-3

x=5-y

x=5--3

x=5+3=8