-4•(z+7)=z+17

Solve for z:

• Expand: -4(z+7) = -4z - 28
• Set equal: -4z - 28 = z + 17
• Move z terms to one side: -4z - z = 17 + 28 → -5z = 45
• Divide: z = 45 / -5 = -9

Check: -4(-9+7) = -4(-2) = 8, and -9+17 = 8. So z = -9.