Seudónimo Seudónimo

06-03-2017
Mathematics

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Equations ----- On Saturday, you spend $33, give $15 to a friend, and receive $20 for mowing your neighbor's lawn. You have $21 left. Use TWO methods to find how much money you started with that day.

Please explain. Thanks!

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agentRBoss agentRBoss

06-03-2017

21-20+15+33 is 1 expression.

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