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Reply to sdjf
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oops in the last sentence it’s supposed to say 7+6=13 typo!
The answers are correct so 3y-6=12-5 so 12-5 is 7. But you have to subtract 6 from 3y-6 so you have to add 6 to (12-5),which is 7, so 7+5=13. That’s how they got 13.
