Solve for x: 2(x - 4) = 10
Pick an answer
Correct!
Not quite. The correct answer is highlighted.
Correct answer to question 20 (Mathematics Knowledge): 9
Method
Divide both sides by 2 to get x - 4 = 5, then add 4 to get x = 9. Distributing first gives 2x - 8 = 10 and the same answer.
Updated: November 2026
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