Why do some women use saheli pills?​

These pills inhibit ovulation processes as well as implantation. Therefore, women can prevent unplanned pregnancy by using these pills. These pills alter the quality of cervical mucus so that it can prevent the entry of sperms into the cervix.

well we can't tell you because we cant see the time give a screen shot or something.

try using substitution:

x + y - 6 = x - y. (i'm not giving you the exact answer). since 0 = x - y, then sub 0 in the equation with x - y. combine your like terms, and then use inverse operations, and you'll have your answer.

: -)