Вопрос школьника по предмету Математика
Решите уравнение, пожалуйста)
4-(у+7)*3=-5*(у-8)
Ответ учителя по предмету Математика
4-(y+7)*3=-5*(y-8)
4-3y+21=-5y-40
-3y+5y=-40-21-4
2y=-65
y=-65:2
у=-32,5
Ответ: — 32,5.
УДАЧИ!!!!!!!!!!!!!!!!!
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