Answer: 
Step-by-step explanation:
use point-slope form:




when two numbers have the same variable, we can add and subtract just like normal numbers.
12x + 8x = 20x - 3x = 17x
The first one. Hope this helps
Be glad to tell me if it’s correct or not
Simplify 2/8
2/8=1/4
1/4 of all pizzas=1 and 1/2 pizza
convert to improper
1 and 1/2=1+1/2=2/2+1/2=3/2
1/4 of all pizzas=3/2 pizza
times both sides by 4/1
4/4 of all pizzas=12/2 pizza
all pizzas=6pizza
6pizzas were orderd