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mccdp55
25.03.2021 •
Mathematics
I’m literally going to post all of these because I just want to get this over with :)
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Ответ:
x + x + 2 = 798
2x + 2 = 798
subtract -2 from both sides
2x = 796
divide by 2 on both sides
x = 398
x + 2 = 398 + 2 = 400
CHECK 398 + 400 = 798