f(x)=|2x-p|
f(x=2)=0
twice a number y is 30
15×6+4÷2
five less than a number c is 20
379675
2270754
2762378
767519
4541508
5524756
25657284
32175632
12376616
11623783
10977564
3116
Eight more than n is equal to 15
8ab +4a$c^{2}$
a
