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Create Write a real-world problem that can be solved using the equation 9 + 4x = 21 - 2x.
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Create Write a real-world problem that can be solved using the equation 9 + 4x = 21 - 2x.

User Jcupitt
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Answer:

Explanation:

The number of marbles in a bag are such that 9 more than 4 times plus 9 is equal to 21 minus 2 times the number. How many marbles are in the bag?

User Yeradis
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