Question

write the variables using positive exponents I will Mark as brainliest ​

Answer 1

Answer:

The variables are

y, z, and x

Answer 2

Step-by-step explanation:

$- 5 {y}^{ - 2}z = \frac{ - 5}{ {y}^{2} }z$

$\frac{1}{ - {x}^{ - 1} } = - x$