Elena solved the equation 2(x – 9) = 10 In the following way. What mistake did she make?

asked Feb 6, 2021 14.0k views

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Elena solved the equation 2(x – 9) = 10 In the
following way. What mistake did she make?

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2 votes

She subtracted instead of adding.
2x-18=10
You add 18 to both sides
So it would be 2x=28
Then you divide 2 on both sides so x=14

Khoa Nguyen answered Feb 7, 2021

4.3k points

5 votes

Answer: Subtract 18 on both sides is wrong. Its supposed to be add 18 on both sides.

Explanation:

Sissythem answered Feb 10, 2021

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