3 years ago

I need help which letter is it?

Mathematics

1 answer:

bearhunter [10]3 years ago

6 0

Answer:

Step-by-step explanation:

1. So your original equation is -y+2y-9=1. The first step is to isolate your variables so put 9 on the otherside.This gives you -y+2y=10.

2. Now you can combine like terms, 2y-y=y. This gives you y=10.

3. Now just look at your answer choices that when solved gives you y=10

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