Natasha had 2356 beads, Lydia had 1176 beads and moon had 1708 beads at first. After they each used an equal number of beads, Natasha had 3 times as many beads left as Lydia. how many beads did each of them use

Answer 1

Just write what they told you:
2356-n = 3(1176-n)
Now find n, the number of beads used.