ashleymichelle7
ashleymichelle7 ashleymichelle7
  • 01-09-2018
  • Mathematics
contestada

I don’t understand how to do the question

I dont understand how to do the question class=

Respuesta :

DeanR
DeanR DeanR
  • 01-09-2018

That's pretty bad typesetting, let's assume it reads

[tex] 7 < \dfrac t 3+ 9[/tex]

Subtracting 9 from both sides,

[tex]-2 < \dfrac t 3[/tex]

Multiplying both sides by three doesn't flip the inequality because it's positive:

[tex]-6 < t[/tex]

We can write this

[tex]t > -6[/tex]

Answer: t > -6


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