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colin was given the inequality x-4.2>5.5 to solve. He said the solution set was x> 1.3. describe colins error and give the correct solution set in your explanation.
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Sep 8, 2019
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colin was given the inequality x-4.2>5.5 to solve. He said the solution set was x> 1.3. describe colins error and give the correct solution set in your explanation.
Mathematics
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x-4.2>5.5= 9.7
Collin forgot to change his negative to a positive when adding
+4.2 +4.2
the inequality. He was supposed to change the negative to positive add 4.2 to 5.5 which would give him a positive 9.2
Patrick McLaren
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Sep 13, 2019
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