Respuesta :

tonb

Answer:

a=12

Explanation:

- add 13 to both sides

3/2a = 5+13

- multiply by 2/3

2/3 * 3/2 * a = 2/3 * 18

a = 12
Step-1 :
Substitute 13 to right side
3/2a=5+13
3/2a=18
a=18x2/3
a=12
So,answer is 12