Answer:
The price after the discount would be $315.
Answer: let's say x = 1
16 x 1 =16
16+20=36
36x1/2=18
Step-by-step explanation:
Question 1: y-11x+5 I think; Question 2: I'm not sure
⇛6 + 3x = 7 - x
⇛3x + x = 7 - 6
⇛4x = 1
⇛x = 1/4