Respuesta :

Anonymous1

Answer:9z - 63 = 0

what does z = ?

9 x 7 = 63 - 63 = 0

z = 7

Step-by-step explanation:hope this helps :)
9z-63=0



Add 63 to both sides so that the equation is equal
9z=63
Divide both sides by 9 so that the equation is equal
z=7