Respuesta :

wegnerkolmp2741o

Answer:

Subtract 3z from each side

Step-by-step explanation:

9z+3=3z+15

Subtract 3z from each side

9z-3z+3=3z-3z+15

6z +3 = 15

Subtract 3 from each side

6z+3-3 = 15-3

6z = 12

Divide by 6

6z/6 = 12/6

z=2

kylabrink

Answer:

9z-3z+3=15

Step-by-step explanation:

move variable to the left hand side