emily0013
emily0013
26-08-2016
Mathematics
contestada
Please help. Show work please
Respuesta :
dalendrk
dalendrk
28-08-2016
3{[9(x - 2) + 7] - 2[4(x + 5) - 36]}
= 3[9x - 18 + 7 - 2(4x + 20 - 36)]
= 3(9x - 11 - 8x - 40 + 72)
= 3(x + 21)
= 3x + 63
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