Ответ: - 7
Объяснение:
14b - (2a + 5b - 7) + 3a =
14b - 2a - 5b + 7 + 3a =
9b + a + 7
a = 4
b = - 2
9b + a + 7 =
9 x (-2) + 4 + 7 =
- 18 + 4 + 7 =
- 14 + 7 =
- 7
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Answers & Comments
Ответ: - 7
Объяснение:
14b - (2a + 5b - 7) + 3a =
14b - 2a - 5b + 7 + 3a =
9b + a + 7
a = 4
b = - 2
9b + a + 7 =
9 x (-2) + 4 + 7 =
- 18 + 4 + 7 =
- 14 + 7 =
- 7