Respuesta :
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
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