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Populaire Word Problems >

Twice a number decreased by 30 is 50. What is the number?

Solution

Tw i ce a n u mb er d ecre a se d b y 30 i s 50. Wha t i s t h e n u mb er ?

Solution

The number : 40

étapes des solutions

Represent the number with

x

A.T.Q.:

2 x - 30 = 50

Solutionner pour

x, 2 x - 30 = 50 : x = 40

The number : 40

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