suzybarienca suzybarienca

23-09-2016
Mathematics

contestada

which equation is an identity?

a. 8-(5x 2)=-5x-6

b. 7z 10-z=8z-2(z-5)

c. 8m-4=5m 8-m

d. 6y 5=6y-5

Respuesta :

nobillionaireNobley nobillionaireNobley

25-09-2016

7z + 10 - z = 8z - 2(z - 5)
7z + 10 - z = 8z - 2z + 10
6z + 10 = 6z + 10
6z - 6z = 10 - 10
0 = 0

Therefore, 7z + 10 - z = 8z - 2(z - 5)

Answer Link

Otras preguntas

in plants, tubes transport nutrients throughout the plant. which parts carry out that function in humans?

the breaking of a large organic molecule into smaller individual subunits involves multiple ________.

Instructions Equipment was acquired at the beginning of the year at a cost of $637,500. The equipment was depreciated using the double-declining balance method

help meee plzzz help me

Define reproductive health? What are it's purposes?

If we have to become a pilot what class should we choose . Science, economics, or commerce

which is not a property of the sides of a rectangle?

Out of the 50 students in Mrs. Green's class, 9 have a pet. What percent of the students in Mrs. Green's class have a pet? The percent of students in Mrs. Green

Hallar el área lateral de un cilindro que tiene de radio de la base 10 cm y de altura 5 cm.

A Web site charges $0.99 to download a game and a $12.49 membership fee. Write an expression that gives the total cost in dollars to download g games. Then find