Ma7ggiebearonya Ma7ggiebearonya

01-10-2016
Mathematics

contestada

Which has an identity
a. 8 - (5x 2) = -5x - 6
b. 7z 10 - 2 = 8z - 2 (z - 5)
c. 8m - 4 = 5m 8 - m
d. 6y 5 = 6y - 5?

Respuesta :

nobillionaireNobley nobillionaireNobley

09-10-2016

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

Therefore, option b has an identity.

Answer Link

Otras preguntas

Roman art was only for the rich and powerful.True or False

-7x - 2y = 14 6x + 6y = 18 x = y =

Bricktan Inc. makes three products, basic, classic, and deluxe. The maximum Bricktan can sell is 130,000 units of basic, 508,000 units of classic, and 230,000 u

Give 3 reasons the economy in the United States was weak in the late 1920s?

A man has a set of n keys, one of which ﬁts the door to his apartment. He tries the keys randomly, throwing away each ill-ﬁtting key that he tries until he ﬁnds

Please simplify.......picture attached. #2

A set of geography exam scores are normally distributed with a mean of 75 points and a standard deviation of 10 points. Areum got a score of 76 points on the ex

True/False. Water is a polar molecule, which means, it has a negative end and a positive end.

Why did he order a second purge in 1975?

Nucleus splits into two?