Asked by shamara

A bag contains purple marbles and red marbles, 24 in total. The number of purple marbles is 3 less than 2 times the number of red marbles. How many purple marbles are there?
Answered by Reiny
number of reds ---- x
purples ---- 2x - 3

their sum is 24
x + 2x-3 = 24

take over.