Josh had w marbles in his collection. He lost x marbles and found y new ones. How many marbles does he have now?
Josh had w marbles in his collection. He lost x marbles and found y new ones. How many marbles does he have now?

Josh had 19 marbles in his collection. He lost 11 marbles and found 5 new ones. How many marbles does he have now?

Josh had 19 marbles in his collection. He lost 11 marbles and found 5 new ones. How many marbles does he have now?

Josh had 8 marbles in his collection.