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

What is -24 feet per 2 seconds as a unit rate in feet per seconds
Who carried out the only successful winter invasions of russian territory in history?
why does 225.60 × 0.25 equal 56
One of the few groups to successfully gain political rights during the 1920's was- A-woman with the adoption of the nineteenth amendment B-religious groups with
18 × (-2) ÷ 5 = (Enter answer in decimal form.)
Which of the following types of algae shows a distinct alternation of generations?
Which sentence has the correct subject-verb agreement? Towns in the flood zone are in great danger.Towns in the flood zone is in great danger.
Are involuntary muscles striated?
What is the structure of the sentence? Gracefully, the dancer took a bow and smiled before she left the stage. a. compound b. compound-complex c. simple d.
The quotient of m and 7