mariana8418 mariana8418

27-09-2019
Mathematics

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One Solution
3x + 9 + 4x + 3 =

Respuesta :

27-09-2019

3x + 9 + 4x + 3 = 7x + 12

Add 3x + 4x =7x

Add 9 + 3 = 12

Answer: 7x + 12

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