Kayla121499
Kayla121499
29-04-2015
Mathematics
contestada
3x+2 (5x+4)=47
what is x
Respuesta :
Panoyin
Panoyin
30-04-2015
3x + 2(5x + 4) = 47
3x + 2(5x) + 2(4) = 47
3x + 10x + 8 = 47
13x + 8 = 47
- 8 - 8
13x
=
39
13 13
x = 3
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