Question

cual es el resultado de 5a + (2a - 5) - (a - 3) = 16

Answer 1

5a + (2a - 5) - (a - 3) = 16

5a + 2a - 5 - a + 3 = 16

7a - 5 - a + 3 = 16

6a - 2 = 16

6a = 16 + 2

6a = 18

a = 18/6

a = 3

El valor de a es 3