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Incorrect. She needed to add 100 to both sides instead of subtracting 100. A

Incorrect. She needed to multiply both sides by –2 first, then subtract 100.B

Correct. She could have also subtracted 100 from both sides, then divided by .C

Correct. She could have also multiplied both sides by –2 first, then subtracted 100.D

 Nov 12, 2018
 #1
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the answer for this one is c

 Jun 25, 2019

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