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

Which equation represents a direct proportion a. y = x-2 b. y = x +2 c. y = 2÷x D. y = 2x
What is the purpose of Article one and article 2 and article 3 of the constitution
Which excerpt from "The Turtle” includes words that create a calm and welcoming mood? skin of the water, dragging her shell with its mossy scutes across the sha
¿Qué pasa? Bien Hola Nada Más o menos
In which two ways will a dog contribute to the carbon cycle? pick 2 choices 1.It will release carbon dioxide in the atmosphere through respiration. 2.It will ta
True or false?according to arthur vangundy, language would be considered to be an intellectual roadblock.
name the unteger ghat represents the situation and tell what 0 represents in that situation
Four elements Mendeleev studied when developing his periodic table
Busca las parejas. 1. la cocina el inodoro, el lavabo y la ducha 2. el dormitorio la cama, la mesa de noche y el armario 3. el ba?o libros, un escritorio y la c
in sakura's garden, for every 5 red flowers,there are 10 yellow flowers .there are a total of 75 yellow and red flowers in her garden. how many red dlowers are