andrianadenise andrianadenise
  • 04-07-2020
  • Mathematics
contestada

Solve: -7 < 2x+5 < 7

Respuesta :

mani82ebra
mani82ebra mani82ebra
  • 04-07-2020

Answer:

[tex] - 6 < x < 1[/tex]

Step-by-step explanation:

first things first:

[tex] - 7 < 2x + 5 \\ - 7 - 5 < 2x + 5 - 5 \\ - 12 < 2x \\ - 6 < x[/tex]

now:

[tex]2x + 5 < 7 \\ 2x + 5 - 5 < 7 - 5 \\ 2x < 2 \\ x < 1 [/tex]

now the intersection is:

[tex] - 6 < x < 1[/tex]

Answer Link

Otras preguntas

what kind of training might a priest recive in a seminary
The governor does not have veto power over bills passed by the state legislature. True False
what was the purpose of the Indian Reoraganization Act? How did it affect Indians is Washington?​
simple[tex] \frac{x {}^{2} + 12x + 36}{x {}^{2} + 4x - 12 }[/tex]​
PLZ SOMEBODY MUST HELP BRAINLYEST JUST HELP PLEASE IMMEDIATELY JUST HELP PLZ 30 POINTS CAN YOU PLZ HELP Strong conductivity of plasma allows it to act and r
Which of these best describes the political authority of Greek city-states
I need help please.
Who wrote the Declaration of Independence
Which step in the problem-solving process is practiced when considering whether it is cost effective to add a salad bar to a school lunch menu:
What is the difference between Arrhenius acids-base and bronsted-lowry acids bases? Justify your answer.