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Viefleur [7K]
3 years ago
15

40x + 60 = 20. what does x equal?

Mathematics
2 answers:
ollegr [7]3 years ago
8 0

Move all terms that don't contain  x  to the right side and solve.

x = -1

Elena-2011 [213]3 years ago
7 0

Subtract 60 on both sides to get -40.

You are left with 40x=-40

Divide both sides by 40 to leave x by itself.

You get x=-1.

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If you start on page 20 and end on Page 50, you will have read 31 pages. I just counted from 20 to 50, including the number 20 in it.

OR: You already know there are 50-20=30 pages. But that's without counting the 20 in it. So when you add the extra 20: 30 + 1 = 31

Translated version:

Если вы начнете со страницы 20 и закончите со страницы 50, вы прочтете 31 страницу. Я только что насчитал от 20 до 50, включая число 20 в нем.

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Я использовал Google Translate, поэтому результаты могут быть неточными.

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