Ma7ggiebearonya
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 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

on which type of issues do law makers tend to pay less attention to voter opinion
what is the most critical role for allied health professionals
Find the circumference
Why wasn’t perspective used in art from the Middle Ages
What protein molecule carries oxygen in the blood to the cells?
what is a small object, usually built to scale, that represents in detail another, often larger object.
Which answer? A, B, C, D
Most of the charged particles from the sun are deflected around earth by the
Convert 302 inches into yards
If those who start drinking before they’re 15 will develop alcohol dependence in what percent?