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  • 10-01-2017
  • Mathematics
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What did Sally do wrong

What did Sally do wrong class=

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apologiabiology
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  • 10-01-2017
she didn't distribute the4  to the 5 as well when she multiplied both sides by 4 in step 2

should result in
n+20=52
minus 20 oth sides
n=32
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