Respuesta :

Answer: a=7

Step-by-step explanation:

3/5 (a +5.25) =7.35​

3/5a + (5.25*3/5)=7.35

3/5a + 3.15=7.35

-3.15 -3.15

3/5a=4.20

Divide both sides by 3/5

a=7

Answer:

3/5 (a)+3/5 (5.25) = 7.35