July 2021 0 7 Report
Решите уравнение: ж) 9х + х - 9х = 5;
з) 4х + 3х - 7х = 6;
и) 5х + 2х = 84;
к) 12х - 4х = 3248;
л) 17у - у = 1616;
м) у + 19у = 4040.
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