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16-12-2020
Mathematics

contestada

(5x +40x +
+ 40x+31) = (x+7)

Respuesta :

16-12-2020

Answer:

Step-by-step explanation:

5x + 40x + 40x + 31 = x + 7

85x + 31 = x + 7

Bringing like terms on one side

85x - x = 7 - 31

84x = - 24

x = - 24/84 = 2/7

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