Question

Write and English phrase that would translate into the following mathematical expression. 5z-8.

Which of the following is equivalent to the expression 5z-8?

Answer 1

5z - 8

8 less then the product of 5 and a number z <== this is equivalent

do I still have to write an English phrase ?....if so, 
the product of 5 and a number z, decreased by 8