Respuesta :

rose5656

12a - 8 -5a + 12

arranging like terms

12a - 5a - 8 + 12

a ( 12-5) - 8 - 12

a(7) - 4(2 - 3)

a(7) -4(-1)

a(7) + 4

7a + 4

simplifing the expressions

nasg45

Answer:

12a-5a-8+12

=(12-5)a+4

=7a+4