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Two times the sum of a number and 3 equals 4

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解答

Twotimesthesumofanumberand3equals4

解答

Thenumber:−1
求解步骤
Represent the number with x
A.T.Q.:2(x+3)=4
求解 x,2(x+3)=4:x=−1
Thenumber:−1

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