Question

4z + b = 2z + c, solve for z

Answer 1

like a first step subtract from both sides c

see what will get

Answer 2

What?

Answer 3

the same like here

4z + b = 2z + c / - c

4z +b -c = 2z +c -c

continue and write it here what will get

Answer 4

4z + b = 2z + c
2z + b = c
2z = c - b
z = c-b/2

Answer 5

Dude your pic is hilarious.

Answer 6

Anyway, how is the answer a fraction?

Answer 7

haha thanks! What do you mean? We don't know what c or b is and we can't find out from what we're given so it has to be

Answer 8

Oooooh. Okay thanks!

Answer 9

No problem!