mariana8418
mariana8418
27-09-2019
Mathematics
contestada
One Solution
3x + 9 + 4x + 3 =
Respuesta :
ka147
ka147
27-09-2019
3x + 9 + 4x + 3 = 7x + 12
Add 3x + 4x =7x
Add 9 + 3 = 12
Answer: 7x + 12
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