Answer:
A
Step-by-step explanation:
-2+8
Bc 32 minus 34 is -2 then just add the 8
The product would be 56x^2+3x-20
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.