Решить . 12а-1=-а+25, 2-с=5с+1 8+3b=-7+2b -3d-10=3d-6 - вопрос №1212525183723103633574756858130 от karinkarinaka 03.04.2021 10:02

Question

Математика: Решить . 12а-1=-а+25, 2-с=5с+1 8+3b=-7+2b -3d-10=3d-6 3y-3=5-y -7-4x=-7x+5, найдите корни уравнений.

karinkarinaka · Answer

12а-1=-а+25, 12а + а = 25 + 113а = 26а = 26÷13 = 22-с=5с+12 - 1 = 5с + с 1 = 6сс = 1÷6 = 1/68+3b=-7+2b3b - 2b = - 7 - 8b = - 15-3d-10=3d-6- 10 + 6 = 3d + 3 d-4 = 6dd = 4÷6 = 4/6 = 2/33y-3=5-y3y + y = 5 + 84y = 8y = 8÷4 = 2-7-4x=-7x+5,- 4x + 7x = 5 + 73x = 12x = 12÷3 = 4...