In what step did he make an error?

Mathematics

2 answers:

Ilya [14]3 years ago

8 0

Answer:

step 4

Step-by-step 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 +

Rudiy273 years ago

5 0

I think it’s step 4. Yea

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