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

Six types of interest groups
Comparing fractions 2/5 or 2/3
Kenley wants to show 1200 using only tens blocks. How many tens blocks does Kenley need?
The climate of Eastern Central Europe is mainly _____. continental Mediterranean polar tropical
Solve this inequality: 3p – 6 > 21. A. p > –5 B. p > 9 C. p > –9 D. p > 5
A number, twice that number, and one-third of that number are added. The result is 20. What is the number?
A man with Type A blood marries a woman with Type AB blood. According to predicted outcomes based on genetics, their children may have all blood types EXCEPT Ty
People express thoughts mainly by using A. pictures. B. numbers. C. gestures. D. language.
What are 3 types of imperialism
Paper notes bought by an individual backed by a promise by the government to repay the money with interest after a certain period of time are called a. stocks.