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Phổ biến Word Problems >

four times the sum of 7 and some number is 20

Lời Giải

f o u r t im es t h e s u m o f 7 an d so m e n u mb er i s 20

Lời Giải

The number : - 2

Các bước giải pháp

Represent the number with

x

A.T.Q.:

4 (7 + x) = 20

Giải

x, 4 (7 + x) = 20 : x = - 2

The number : - 2

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