Answer and explanation

Correct answer: B.

  1. Step 1: Add 7 to both sides to get . Step 2. Divide both sides by 3 to get . **Answer: . Why not the others:** comes from subtracting 7 instead of adding it, forgets to divide by 3, and subtracts 11 - 7.

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Solve the equation 3x - 7 = 11. | Stúdentspróf (Iceland)