Thanks for your participation:

so here are the correction in your answers.

In ans 7 :

part c answer is :
2 times x is now 20
x is now 19
x is now 17
x is now 14
x is now 10

In part d we will be stuck in a infinite console message with different messages so maybe you should try running the code i the browser and tell me what happened.

Keep practising and thanks again for your participation.