kirstenedison
kirstenedison
14-07-2017
Mathematics
contestada
How do I find x In this problem?
Respuesta :
Floki22
Floki22
14-07-2017
x / 9 = x-7 / 7
7*x = 9*(x-7)
7x = 9x - 63
9x - 7x = 63
2x = 63
x = 63 / 2
x = 31,5
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