Mathematics, 04.02.2020 01:55 rosyjesus297

The work of a student to solve the equation 2(4x – 4) = 8 + 4x + 4 is shown below: step 1. 2(4x – 4) = 8 + 4x + 4 step 2. 6x – 6 = 12 + 4x step 3. 6x – 4x = 12 + 6 step 4. 2x = 18 step 5. x = 9 in which step did the student first make an error and what is the correct step? step 2,8x – 6 = 2(6 + 2x + 2) step 2,8x – 8 = 12 + 4x step 3,6x – 4x = 12 – 6 step 3,6x + 4x = 12 + 6

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The work of a student to solve the equation 2(4x – 4) = 8 + 4x + 4 is shown below: step 1. 2(4x – 4...