Respuesta :
-3(2 - 3z)
distribute the -3 to both 2 and -3z
-3(2) = -6
-3(-3z) = 9z
4z - 12 = 9z - 6
4z (-9z) -12 (+12) = 9z (-9z) - 6 (+12)
4z - 9z = -6 + 12
5z = 6
5z/5 = 6/5
z = 6/5
hope this helps
distribute the -3 to both 2 and -3z
-3(2) = -6
-3(-3z) = 9z
4z - 12 = 9z - 6
4z (-9z) -12 (+12) = 9z (-9z) - 6 (+12)
4z - 9z = -6 + 12
5z = 6
5z/5 = 6/5
z = 6/5
hope this helps