om2gyReite3ell om2gyReite3ell

03-10-2016
Mathematics

contestada

Which equation is an identity a; -3y 3=-3y-6b; 3w 8-w=4w-2(w-4)c;9-(2v 3)=-2v-6d; 7m-5=8m 7-m?

Respuesta :

nobillionaireNobley nobillionaireNobley

09-10-2016

3w + 8 - w = 4w - 2(w - 4)
2w + 8 = 4w - 2w + 8
2w + 8 = 2w + 8
0 = 0

Therefore, option b is an identity.

Answer Link

Otras preguntas

Find the number of unique permutations of the letters in the word: ONGOING

If a person does not treat diabetes they could be at an increased risk of blindness, heart disease, and kidney failure. 1) True 2) False

Smith believed that the actions of government often hurt the proper functioning of the economy. Name one such government action.

Your school is planning a field trip to a history museum. They are going to rent a large bus for $450. The cost of the ticket to the museum is $15.75. Write an

Which is an example of homeostasis? using caffeine to increase the amount of water the body excretes using exercise to get stronger muscles perspiring when the

If f(x) = 6x - 4, what is f(x) when x = 8? 2. 16 044 52

What was Hamer's goal?

The diagram shows a circle centre O work out the size of angle X work out the size of angle y

What are Earth's four interconnected global systems?

5. What theme do Jonathan's actions and the events in the story develop? Support your answer with evidence from the text.