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受欢迎的 Word Problems >

Miko's age seven years from now will be three less than twice his age three years ago. How old is Miko now?

解答

M ik o^{'} s a g e se v e n ye a rs f ro m n o w w i ll b e t h ree l ess t han tw i ce hi s a g e t h ree ye a rs a g o . Ho w o l d i s M ik o n o w ?

解答

Miko^{'} s age is : 16

求解步骤

Translate the problem into an equation:

x + 7 = 2 (x - 3) - 3

求解

x, x + 7 = 2 (x - 3) - 3 : x = 16

Miko^{'} s age is : 16

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