johndfoulk
johndfoulk
26-09-2016
Mathematics
contestada
how do i do this prob -6(4x+1)+7x+9(x-3)=4
Respuesta :
Panoyin
Panoyin
26-09-2016
-6(4x + 1) + 7x + 9(x - 3) = 4
-6(4x) - 6(1) + 7x + 9(x) - 9(3) = 4
-24x - 6 + 7x + 9x - 27 = 4
-24x + 7x + 9x - 6 + 27 = 4
-8x + 21 = 4
- 21 - 21
-8x = -17
-8 -8
x = 2.125
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