Question

I'm in need of help please​

Answer 1

15. X= — 11/12
16. X= — 14/15

Answer 2

1. x+ 2/3= -1/4

x+ 8/12= -3/12

-8/12 -8/12

x= -11/12

2. 1/4x+ 2/5= 1/3

1/4x+ 6/15= 5/15

-6/15 -6/15

1/4x= -1/15

15/60x= -4/60

÷15/60. ÷15/60

x= -4/15