Question

20
3
Кі)
+
= 7
х+ у
8
х- у
15
= 5
х- у
х+ у​

Answer 1

Answer:

so annoying......what is this!!!......plz write your question in a proper way....

Answer 2

Answer:

(X+5/12) -9/20=11/15

xx+5/12=11/15+9/20

x+5/12=142/120=71/60

x=71/60-5/12

x=46/60=23/30

2)

(x-11/30) -16/45=2/9

-11/30=26/45

x=26/45=+11/30

x=17/18

3) (x-7/15) +5/8=17/24

x-7/15=17/24-5/8

x-7/15=2/24=1/12

x=1/12+7/15

x=33/60=11/20