imbrattttyyy3
imbrattttyyy3
12-03-2021
Mathematics
contestada
Do this make sense??
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isabelguerrette
isabelguerrette
12-03-2021
the mistake is that they subtracted 21 instead of adding it. you would have had to added 21 to the left side to cancel it out and added 21 to the right side to get p= 55
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