Question

1.)­ 3x + 5y = 15 2.) 2x ­ 4y = 2 3.)18x + 12y = 24

­2x ­ 4y = 6 9x ­ 15y = ­45 3x + 2y = 6

Answer 1

1). Answer x= -5/3 y + 5

2.) x=2y+1

3.)x=−2/3y+4/3