How is this wrong? I cant find it out, google says it is -7 but why?

asked Sep 4, 2021 46.6k views

0 votes

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3 votes

Answer:

He was supposed to add and subtract left to right but he added first

Explanation:

If he would have added left ot right he would have ended up with -8+1=-7

Cnelson answered Sep 7, 2021

5.1k points

3 votes

Answer:

I think its wrong because there is no ( ) around 2*9

hope this helped even a lil

Rodrigo Sasaki answered Sep 8, 2021

4.3k points

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