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Phổ biến Word Problems >

Two times a number plus three equals one half of the number plus 30 What is the number?

Lời Giải

Tw o t im es a n u mb er pl u s t h ree e q u a l s o n e ha l f o f t h e n u mb er pl u s 30 Wha t i s t h e n u mb er ?

Lời Giải

The number : 18

Các bước giải pháp

Represent the number with

x

A.T.Q.:

2 x + 3 = \frac{1}{2} x + 30

Giải

x, 2 x + 3 = \frac{1}{2} x + 30 : x = 18

The number : 18

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