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In what step did he make an error?
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15 votes
In what step did he make an error?

In what step did he make an error?-example-1
User GlaceCelery
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2 Answers

8 votes
I think it’s step 4. Yea
User Zuria
by
7.2k points
3 votes

Answer:

step 4

Explanation:

because y is equation 2 is -y so the sign should have changed for -2x it should have been +2x since - and - equals to +

User Yulanggong
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7.7k points
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