Move −4z to left: We have the equation az+17=−4z−b. To start solving for z, we need to get all the terms containing z on one side of the equation. Let's move −4z to the left side by adding 4z to both sides of the equation.az+17+4z=−4z−b+4z
Combine like terms: Now, let's combine like terms on both sides of the equation.(az+4z)+17=−ba and 4 are coefficients of z, so we can add them together.(a+4)z+17=−b
Isolate the term: Next, we need to isolate the term with z. We can do this by subtracting 17 from both sides of the equation.(a+4)z+17−17=−b−17(a+4)z=−b−17
Divide by coefficient: Finally, to solve for z, we need to divide both sides of the equation by the coefficient of z, which is (a+4).z=a+4−b−17