kargarzadehsm
06.05.2020 •
Mathematics
Mr hann is trying to decide how many new copies of a book to order for his students. Each book weights 6 ounces
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Ответ:
2x = 10
x = 5
** 6. 3x - 3 -x = 3
18x - 3 - x = 3
17x = 6
x =
** 7. -1 - 2x + 3x = 5
-7 - 2x + 3x = 5
-7 + x = 5
x = 12
** 8. 3x - 22 - x = 6
24x - 22 - x = 6
23x = 28
x =
** 9. 2x + 3x -10 = 10
18x + 3x - 10 = 10
21x = 20
x =