smartnaii smartnaii
  • 06-04-2020
  • Mathematics
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-9x + 15 > -30 ?

And a explanation

Respuesta :

igoroleshko156
igoroleshko156 igoroleshko156
  • 06-04-2020

Answer:

[tex]x < 5[/tex]

Step-by-step explanation:

Step 1:  Subtract 15 from both sides

[tex]-9x + 15 - 15 > -30 - 15[/tex]

[tex]-9x > -45[/tex]

Step 2:  Divide both sides by -9

[tex]-9x / -9 > -45 / -9[/tex]

Since you divided by a negative, you must flip the sign.

[tex]-9x / -9 > -45 / -9[/tex]

[tex]x < 5[/tex]

Answer:  [tex]x < 5[/tex]

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