carlyanna2005
carlyanna2005 carlyanna2005
  • 08-12-2017
  • Mathematics
contestada

Nadya solves the equation 4x-4=20. Her work is shown below.
Step 1: 4x-4=20
Step 2: 4x=16
Step 3: x=4

Where did Nadya makes an error in her calculation? Explain.

Nadya solves the equation 4x420 Her work is shown below Step 1 4x420 Step 2 4x16 Step 3 x4 Where did Nadya makes an error in her calculation Explain class=

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lesliekolleroxrkcf
lesliekolleroxrkcf lesliekolleroxrkcf
  • 08-12-2017
step 2 she should add 4 not subtract
Answer Link
MandiePandie
MandiePandie MandiePandie
  • 08-12-2017
4x-4=20
   +4 +4
4x=24
divide both sides by 4 
x=6
Answer Link

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