bewellplus.gsu.edu
Michaeljordan12 Michaeljordan12
  • 06-11-2014
  • Mathematics
Answered

Luis is finding 9-6+2. Find his mistake and correct it : 9-8= 1

Verified Answer :

ollieboyne
ollieboyne ollieboyne
  • 06-11-2014

He is adding 6 + 2 to get 8.

However, he should add -6 and 2, to get -4.

He can then use 9+-4 = 9-4 = 5.

Alternatively, he could do:

9 - 6 = 3

3 + 2 = 5

Answer Link
Izzywombat Izzywombat
  • 06-11-2014

going from left to right 9-6=3 then 3+2=5 ... his mistake was that he solved the problem right to left.

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