ntamfu90
ntamfu90 ntamfu90
  • 06-04-2020
  • Mathematics
contestada

12x + 7< -11
AND 5x -8 >=40
Solve for x please

Respuesta :

igoroleshko156
igoroleshko156 igoroleshko156
  • 06-04-2020

Answer:

First Inequality:  [tex]x < -1.5[/tex]

Second Inequality:  [tex]x \geq 9.6[/tex]

Step-by-step explanation:

Step 1:  Solve for x in the first inequality

[tex]12x + 7 - 7 < -11 - 7[/tex]

[tex]12x < -18[/tex]

[tex]12x / 12 < -18 / 12[/tex]

[tex]x < -1.5[/tex]

Answer:  [tex]x < -1.5[/tex]

Step 2:  Solve for x in the second inequality

[tex]5x - 8 + 8 \geq 40 + 8[/tex]

[tex]5x \geq 48[/tex]

[tex]5x / 5 \geq 48 / 5[/tex]

[tex]x \geq 9.6[/tex]

Answer: [tex]x \geq 9.6[/tex]

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