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The sum of a number times 7 and 15 is less than-16.

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解答

Thesumofanumbertimes7and15islessthan−16.

解答

x<−731​
求解步骤
Represent the number with x
A.T.Q.:x⋅7+15<−16
求解 x,x⋅7+15<−16:x<−731​
x<−731​

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