Question by Hương Yêu Dấu - Discuss with MathYouLike

Hương Yêu Dấu

07/10/2017 at 17:24

x . 10 + 20 . x + 40 : 2 = 80

x =?

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Help you solve math 07/10/2017 at 17:33

x . 10 + 20 . x + 40 : 2 = 80

x . (10 + 20) + 20 = 80

x . 30 + 20 = 80

x . 30 = 80 - 20

x . 30 = 60

x = 60 : 30

x = 2
Amano Ichigo 07/10/2017 at 17:42

x . 10 + 20 . x + 40 : 2 = 80

x . ( 10 + 20 ) + 20 =80

x . 30 = 80 - 20

x . 30 = 60

x = 60 : 30

x = 2

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