anonymous
  • anonymous
The work of a student trying to solve the equation 4(2x − 1) = 11 + 3x + 5 is shown below: Step 1: 4(2x − 1) = 11 + 3x + 5 Step 2: 8x − 4 = 16 + 3x Step 3: 8x + 3x = 16 − 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? Step 2: 8x − 1 = 16 + 3x Step 2: 8x − 8 = 6 + 3x Step 3: 8x − 3x = 16 + 4 Step 3: 8x + 3x = 16 − 8
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
Take a closer look at Step 3... What do you think? ^.~
anonymous
  • anonymous
I think that 8x + 3x = 16 − 4 should be 8x − 3x = 16 + 4 ??
anonymous
  • anonymous
CORRECT! xD

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anonymous
  • anonymous
Cewl Thanks again Nina
anonymous
  • anonymous
^.~ Tha medal?

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