Question

3. Brantley is solving an equation for z. His first step is to add 13 from both sides of the equation. Which equation is he solving?
A. -23=-z+13 -
B. -23=-z-13 -
C. -23-z=13
D. -23+ z = 13

Answer 1

show work

Answer 2

B. -23=-z-13

Answer 3

To add 13 from both sides of the equation, we can rewrite it as:

-23 + 13 = -z

-10 = -z

Thus, Brantley is solving the equation -23 = -z - 13 (option B).