3b + 26b - b - 24b = - 7 + 6 - 1
4b = - 2
b = - 2 : 4
b = - 0,5
Проверка: 4 * (- 0,5) = - 2
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3b + 26b - b - 24b = - 7 + 6 - 1
4b = - 2
b = - 2 : 4
b = - 0,5
Проверка: 4 * (- 0,5) = - 2
4b=-2
b=-0.5