Math

Solve for 2x + 3y = 28 and - 2x + 3y = 8

Asked by AnneS2 on 18 Jun 05:09

Last updated by anonymous on 19 Jun 12:53

1 Answers

Log in to answer

Answered by CherieS on 19 Jun 12:53

2x + 3y = 28

2x + 3y-3y = 28-3y

2x= 28-3y

2x/2= 28/2-3y/2

x=14-1.5y

- 2x + 3y = 8

- 2(14-1.5y) + 3y = 8

- 2(14) (-2)(-1.5y) + 3y = 8

-28+3y+ 3y = 8

-28+ 6y = 8

-28+ 6y+28 = 8+28

6y=36

6/6y=36/6

y=6

x=14-1.5y

x=14-1.5(6)

x=14-9

x=5