ijohnh14 ijohnh14

30-01-2019
Mathematics

contestada

Please help me!!!!!!!!

Please help me class=

Respuesta :

mathecoach mathecoach

08-02-2019

Answer:

(3·x + 6) + (7·x + 4) = 180 --> x = 17

3·17 + 6 = 57

Answer D is correct.

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