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

how can a decimal be converted to percentage?
knowing the latitude of a location would be most helpful in determining
What is the meaning of Constant Acceleration?
The length of a side of a square is 5x+2 units. Assuming the perimeter is 48 units, what is the area of the square?
Are 55:100 and 66:120 equal
Jarod bought 8 yards of ribbion he needs 209 inches to use to make curtains how many inched of ribbon does he have.
What number has the same value as 50 tens?
Who enforced anti-slave trade laws by sending warships to intercept slave ships?
what is 31.75 rounded to the nearest tenth
Can you describe the structure of the government set up under the articles of confederation?