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Let the unknown number be x:

4x-7 = 13

Moving -7 to the other side of the equation changes it to +7:

4x = 13+7

4x = 20

Divide both sides of the equation by 4 to find the value of x:

x = 5

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15y ago

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Anonymous

4y ago
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Q: Seven less than four times a number equals 13?
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