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Mathematics, 12.03.2021 18:20 sewolf1234

Which of these is an equation? А
9x - 7
B.
(b + 7) X3
С
4x + 9 = 45
D (33)x - 30

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You know the right answer?
Which of these is an equation? А
9x - 7
B.
(b + 7) X3
С
4x + 9 = 45
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