3 years ago

I need someone really good in math to help me please

Mathematics

1 answer:

Doss [256]3 years ago

8 0

Answer:

Step-by-step explanation:

This is the correct because it starts out by multiplying by 2, but in the second row, it multiplies it by -2, not 2.

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$\boxed{\green{x = 9}}$

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