Faye, MArtin, and JOhn have stickers, Faye has 18 stickers, She gives some to MArtin, and now has 7 stickers left.
Write a number sentence that can be used to find the number of stickers FAye gives MArtin.
Faye now has 7 stickers.john has twice as many stickers as Faye. Complete the number sentence below that can be used to find the number of stickers John has.
-7x=_