08-05-2014
Mathematics

contestada

Solve the equation below for x
9(x - 5) = 4x - 5

Respuesta :

08-05-2014

9(x-5)=4x-5
9x-45=4x-5
9x-4x=-5+45
5x=40
x=40/5
Therefore, x=8

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Аноним Аноним

08-05-2014

[tex]9(x-5)=4x-5\\\\9\cdot x+9\cdot(-5)=4x-5\\\\9x-45=4x-5\ \ \ \ /+45\\\\9x-45+45=4x-5+45\\\\9x=4x+40\ \ \ \ /-4x\\\\9x-4x=4x-4x+40\\\\5x=40\ \ \ \ /:5\\\\5x:5=40:5\\\\x=8[/tex]

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