Priya thinks of a number. When she multiplies the number by 3 and adds 2, she gets 17. The equation is 3x + 2 = 17. What is the value of x?
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Worked Solution
Step 1: Write the equation: 3x + 2 = 17.
Step 2: Subtract 2 from both sides: 3x = 17 − 2 = 15.
Step 3: Divide both sides by 3: x = 15 ÷ 3 = 5.
Step 4: Check — substitute back: 3 × 5 + 2 = 15 + 2 = 17 ✓
Final answer: x = 5
Correct answer: 5
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