bondarenkoadeli

12.05.2020 15:36 •  Математика

Ребята, выполните задания по математике 2–15 – 3х = –7х + 45; –3х – 17 = 8х – 105. 4 + 2y = 19 – 3y; 11 + 3х = 55 + 4х; –15 – 4х = –8х + 45; –8х – 17 = 3х – 105. –3 + 9b – 12 = 12.