SOLUTION: Four times a number is 21 more than the number. What is the number?

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Question 1107382: Four times a number is 21 more than the number. What is the number?
Found 2 solutions by ikleyn, josgarithmetic:
Answer by ikleyn(52884) About Me  (Show Source):
You can put this solution on YOUR website!
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It means that three times the number is exactly 21.

You do the rest.


Answer by josgarithmetic(39630) About Me  (Show Source):
You can put this solution on YOUR website!
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Four times a number is 21 more than the number. What is the number?
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"a number" and "the number" both n.

4n=21%2Bn
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