Question

8z + 15 = -1 | z = ?

Answer 1

z = -2

Explanation:

Step 1: Write equation

8z + 15 = -1

Step 2: Solve for z

1. Subtract 15 on both sides: 8z = -16
2. Divide both sides by 8: z = -2

Step 3: Check

Plug in z to verify it's a solution.

8(-2) + 15 = -1

-16 + 15 = -1

-1 = -1