magalijazmin08 magalijazmin08

19-11-2020
Mathematics

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h) 4x + 7 + x = 21 + 3x

Respuesta :

rm33397 rm33397

19-11-2020

Answer:

x=2

Step-by-step explanation:

4x+7+x=21+3x

5x+7=21+3x

2x+7=21

2x=14

x=7

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