tiktok5355 tiktok5355
  • 03-04-2020
  • Mathematics
contestada

Find a number that is not a solution to 3x-1>8 or 7-x>3

Respuesta :

igoroleshko156
igoroleshko156 igoroleshko156
  • 03-04-2020

Answer:

All of the numbers are solutions.

Step-by-step explanation:

Step 1:  Solve for x in the first equation

[tex]3x - 1 + 1 > 8 + 1[/tex]

[tex]3x / 3 > 9 / 3[/tex]

[tex]x > 3[/tex]

Step 2:  Solve for x in the second equation

[tex]7 - x - 7 > 3 - 7[/tex]

[tex]-x / -1 > -4 / -1[/tex]

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

[tex]x < 4[/tex]

Step 3:  Find the number

x > 3 and x < 4

Answer: All of the numbers are solutions.

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