Respuesta :

Answer:

Z = -2

Step-by-step explanation:

Answer:

z = -2 Hope that helps !

Step-by-step explanation:

1.  Simplify 7z+4-9= -2z+4=8

2. Subtract 4 from both sides -2z=8-4

3. Simplify 8-4=4 -2z=4

4. Divide both sides by -2 z= -4/2 = -2

so, that your answer z= -2 Make me brainliest