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3 times the sum of 8 times a number x and 7 is equal to 45

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解答

3timesthesumof8timesanumberxand7isequalto45

解答

Thenumber:1
求解步骤
Represent the number with x
A.T.Q.:3(8x+7)=45
求解 x,3(8x+7)=45:x=1
Thenumber:1

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