malyah1
malyah1
25-05-2017
Mathematics
contestada
how do i solve this problem
Respuesta :
Аноним
Аноним
25-05-2017
9^x = 3^(x - 2)
3^2x = 3^(x-2)
2x = x - 2
2x - x = -2
x = -2
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