Question

solving linear equation -7/8=-5/6z

Answer 1

multiply by the inverse, so timesit by -6/5

Answer 2

divide both sides by - 5/6

Answer 3

so z is 21/20 when simplified

Answer 4

i know how to do it, my problem is it dont match the answer

Answer 5

well what were you getting as an answer?

Answer 6

http://openstudy.com/study#/updates/510b33dee4b09cf125bbf660

Answer 7

Cross multiply -7 with 6z then do the same thing with -5 x 8

You'll get -42z = -40 then you move -42 to the denominator

Z= -40/-42

- /- becomes +

Z=20/21