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Luca shows his work in finding the solution to 2−6x=5−5(x−1) . After checking his answer in the original equation, he found that it did not work. Where did he make a mistake?

Luca shows his work in finding the solution to 2−6x=5−5(x−1) . After checking his-example-1
User MasNotsram
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2 Answers

4 votes

Answer:

Step 1 is wrong

Explanation:

User Istovatis
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Step 1, because when distributing -5(x-1), both the negatives on the -5 and -1 cancel out. The correct outcome would be positive 5, but instead Luca puts -1.
User Garreth Golding
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