Respuesta :

Answer:

a=4

Step-by-step explanation:

combine like terms

8a-4=36

add on both sides

8a-4+4=36+4

8a=32

divide

a=32/8

a=4

Answer:

a = 5

Step-by-step explanation:

5a+3a = 8a

8a - 4 = 36

8a - 4 + 4 = 36 + 4

8a = 40

a = 40 divied by 8

a = 5