amyflorida778 amyflorida778
  • 02-06-2021
  • Mathematics
contestada

which of the following statements is not always true?

a + (-b ) = -b + a

(a + b) + (-c) = a + [b + (-c)]

-(-a) = a

a - (-b) = (-b) -a

Respuesta :

sofiahemed22
sofiahemed22 sofiahemed22
  • 02-06-2021

Step-by-step explanation:

The answer is a - (-b) = (-b) - a

for example if we take;

a = 4

b = 2

c = 2

and we replace;

4 - ( -2) = (-2) - 4

6 = -6

which is not true....

All the remaining are true....

even u can just use the values of abc and check if its true....

Answer Link

Otras preguntas

I need help what is the diameter of this circle?​
You are moving a wagon with a friend's help you push on the left side of the wagon with 25 of force while your friend pulls from the right side of the wagon wit
Find the slope on the line
If, as Marx advocated, "surplus value" were returned to workers, how might this slow the economic growth and development? Or would it?
With a heavy heart, Amber decided to return the sweater that she had just purchased because it was too expensive. What is the infinitive phrase in the sentence
World War I If YOU were there... Everywhere you go, people are talking about the war in Europe. The United States has just joined the fighting on the side of th
Need help please???????!!!!!!!!
can someone please help me
17. What is something an employer might look for in person when hiring? (3 points) A. Someone with a positive attitude B. Someone with positive qualities such a
If someone stands 6 feet, 1 inch tall; how many total inches tall are they