Mathematics, 24.07.2019 05:30 marco34perez
The work of a student to solve the equation 4(3x β 4) = 8 + 4x + 8 is shown below: step 1. 4(3x β 4) = 8 + 4x + 8 step 2. 7x β 8 = 16 + 4x step 3. 7x β 4x = 16 + 8 step 4. 3x = 24 step 5. x = 8 in which step did the student first make an error and what is the correct step? a. step 2, 12x β 16 = 16 + 4x b. step 2, 12x β 8 = 2(4 + 2x + 4) c. step 3, 7x β 4x = 16 β 8 d. step 3, 7x + 4x = 16 + 8
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The work of a student to solve the equation 4(3x β 4) = 8 + 4x + 8 is shown below: step 1. 4(3x β 4...
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