Question
Opal had 84 more marbles than Jean at first. Jean gave 18 of her marbles to Opal. Opal now has 3 times as many marbles as Jean. How many marbles did Jean have at first?
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Opal had 84 more marbles than Jean at first. Jean gave 18 of her marbles to Opal. Opal now has 3 times as many marbles as Jean. How many marbles did Jean have at first?