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

Which statement about American cities during the 1960s is not true? a. Serious poverty and unemployment resulted from millions of southern blacks moving to nort

Which item can a consumer expect to find in a retail store? a. Steel to make cars in a factory b. Asphalt to pave an interstate highway c. Airplanes to move mil

The use of the Marshall Plan in Western Europe after World War II strengthened the forces of (1) democracy (3) isolationism (2) communism (4) autocrac

What effect did economic reform have on Slovakia?

During the 1600s, which of the following explorers traveled along the Mississippi River, establishing French control over the region? a. Columbus c. LaSalle b.

what is 49/30 as a decimal

Which statement describes the role played by Count di Cavour in the fight for Italian unification? a. He was a cunning prime minister who played a major role in

Simplify 7(n - p) + 5p.

Which lines from the poem above illustrate personification? a. “April/Comes like an idiot, babbling and strewing flowers.” b. “Life in itself/Is nothing/An empt

3+3×3-3+3= What's the answer How do you get the answer