carlosburksJr carlosburksJr
  • 04-03-2021
  • Mathematics
contestada

How do you check your answer or plug it in after solving |2x + 1| = 9 ???

Respuesta :

ADVENTUROUSBOY
ADVENTUROUSBOY ADVENTUROUSBOY
  • 04-03-2021

x = 4

---------------------------------

Step-by-step explanation:

2x + 1 = 9

2x = 9 - 1

2x = 8

x = 8 ÷ 2

x = 4

----------------------------------

FOLLOW ME

PLEASE

Answer Link
bakersammy064
bakersammy064 bakersammy064
  • 04-03-2021

Answer:

Step-by-step explanation:

To solve:

|2x+1|=9

|2x+1|=-9

2x=8

x=4

2x=-10

x=-5

2x+1=9

2(4)+1=9

9=9, so its true.

2x+1=-9

2(-5)+1=-9

-9=-9, so it’s true too

Answer Link

Otras preguntas

ASAP plz!!! 20 points plz help!!!!
Which of the following are solutions to the equation below? Check all that apply. (4x - 1)2 = 11 I A. X = - :-+1 B. x= V11+1 12 I C. x = -2 4 D. x = 12 4. E. x=
Which item is an example of a secondary source?
Which one of these devices helps a sailor navigate at night
which food sources scarcity caused the yellowstone national park beaver population to decrease​
Environmental scanning is necessary for an organization to ______.
how many calories do i need to burn to lose weight calculator
what did you notice about where old marjor is sitting animal farm
What is the meaning of an absolute value
1. In the diagram below FI intersects with GJ at point H. The measure of is three times the measure of ∠G. The measure of ∠J is 31º and the measure of ∠I is 57º