eduron239 eduron239
  • 01-06-2018
  • Mathematics
contestada

How many solutions are there to the question below
9x+16=4x

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NotHeavenly
NotHeavenly NotHeavenly
  • 01-06-2018
There is only one solution, which is x=-16/5.
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gmany
gmany gmany
  • 01-06-2018
One solution

[tex]9x+16=4x\ \ \ |-16\\\\9x=4x-16\ \ \ |-4x\\\\5x=-16\ \ \ |:5\\\\\boxed{x=-\dfrac{16}{5}\to x=-3.2}[/tex]
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