Respuesta :

14. a=7

15. p=35.99...

7

3/5 (a+5.25)=7.35

3/5a+3.15=7.35

Subtract 3.15 by 3.15 which cancels it out and you do the same thing by doing 7.35- 3.15 and get 4.2

3/5a=4.2

Divide 3/5 by 3/5 which cancels it out and divide 4.2 but 3/5

Which equals 7