Solve (2x / 3) + 1 = 5.
Answer and explanation
Correct answer: A. x = 6
- Step 1: Subtract 1 from both sides: 2x / 3 = 4. Step 2. Multiply by 3: 2x = 12, so x = 6. Answer: x = 6. Why not the others: x = 4 stops at 2x/3 = 4; x = 8 multiplies by 2 instead of dividing by 2; x = 12 ignores the 2.
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