Answer:
z = 29
Step-by-step explanation:
GF = HE
z + 29 = 2z
Step 1: Solve for z
z + 29 - z = 2z - z
29 = z
Answer: z = 29
5
z+9=z+29=2z
z=z+(29-9)=2z
z=z+20=2z
z+20=3z
20=4z
20/4=z
5=z
