Mathematics, 10.11.2019 16:31 brandicarney70p8jlsp
The work of a student trying to solve the equation 4(2x β 1) = 11 + 3x + 5 is shown below: step 1: 4(2x β 1) = 11 + 3x + 5 step 2: 8x β 4 = 16 + 3x step 3: 8x + 3x = 16 β 4 step 4: 11x = 24 step 5: x = 2.18 in which step did the student first make an error and what is the correct step?
a. step 2: 8x β 1 = 16 + 3x
b. step 2: 8x β 8 = 6 + 3x
c. step 3: 8x β 3x = 16 + 4
d. step 3: 8x + 3x = 16 β 8
Answers: 3
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The work of a student trying to solve the equation 4(2x β 1) = 11 + 3x + 5 is shown below: step 1:...
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