Answer:
20
Step-by-step explanation:

The Value of X is 10.
KhanAcademy.org has some great explanation videos on their website and they have a YouTube channel.
Here is an explanation for the answer.
Step-by-step explanation:
do () first
2*1-1
then multiplication
2-1
then subtraction
=1
same reason as above
4 *2 -6
8-6
=2
Answer:
-7
Step-by-step explanation:
(-18+(-24))/6
= (-18-24)/6
= -42/6
= -7
Hope this helps
106 more pizzas need to be sold