Question

please give me the right answers.​

Answer 1

Step-by-step explanation:

5 is the right answer

hope it's helpful to you

Answer 2

Answer:

-1

Step-by-step explanation:

x-2=0

x=2

5*(2*2)-k*2-18=0

5*4-2k-18=0

20-2k-18=0

20-18-2k=0

2-2k=0

-2k=-2

k=-2/2

k=-1