Question

Z + 21/–1 = –3. z+21/-1 is a fraction

Answer 1

Answer:

1 Move the negative sign to the left.

z-21=-3

2 Add 21 to both sides.

z=-3+21z=−3+21

3 Simplify -3+21 to 18

z=18

Step-by-step explanation:

hope it helps

Answer 2

Answer:

No Answer

Step-by-step explanation:

$z+\frac{21}{-1} =-3*z+\frac{21}{-1}$

cancel out same on both sides

$0=-3$

N/A