Question

http://prntscr.com/74swt9

Answer 1

@LeftFielding

Answer 2

@LeftFielding

Answer 3

Okay, we have to substitute in -3 for every time we have a z

Answer 4

\[(4(-3)-3)\div(-3+6)\]

Answer 5

First you need to multiple 4(-3)

Answer 6

12

Answer 7

-12 is correct

Answer 8

So in the parenthesis solve (-12-3) and (-3+6)

Answer 9

-15 3

Answer 10

Now, what's -15/3

Answer 11

-5

Answer 12

@LeftFielding

Answer 13

@iBacon

Answer 14

-5