amy53
amy53
27-02-2016
Mathematics
contestada
What is 3/x+2 = 4/x+1
So what is 'x'
Respuesta :
Exvited
Exvited
27-02-2016
[tex] \frac{3}{x+2} = \frac{4}{x+1} \\ \\ 3(x + 1) = 4(x + 2) \\ \\ 3x + = 4x + 8 \\ \\ 3 = 4x + 8 - 3x \\ \\ 3 = x + 8 \\ \\ 3 - 8 = x \\ \\ -5 = x \\ \\ x = -5 \\ \\ [/tex]
The final result is:
x = -5
.
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