Given data:
The first equation is 3j +14=-5z.
The second equation is -10j=5z .
Add both the equations.

Substitute 2 for j in the first equation.

Thus, the value of j is 2 and z is -4.
Answer:
Rectangular prism
Step-by-step explanation:
Edge 2020
Answer:
Yes it is a rational number
Step-by-step explanation:
Rational numbers include positive, negative numbers and 0 that can be ritten as ratio.