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1 vote
8z + 15 = -1 | z = ?

1 Answer

2 votes

Answer:

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

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