Істер Вправа 1203. Алгебра 7 клас

✔ Channel support 4149629330281650 Private    • Канал потребує допомоги!   Backup channel    / @newnewtonn   The EdPro interactive panel was used to create the video. Details: https://edpro.ua § 28. Solving systems of two linear equations with two variables by substitution Homework with a detailed explanation for students who have problems doing homework. For the textbook O. Ister Algebra textbook for the 7th grade of general secondary education institutions. Kyiv: Geneza, 2024. — 288 p. Author - Isak Andriy Ivanovych Exercise 1203. Solve the system of equations: 1) 4x + 3y = 0 and 5x - 7y = -43; 2) 2x + 9y = -59 and 5x - 4y = 38; 3) 3p - 7q = 0 and 2p + 9q = 41; 4) 6a - 7b = 51 and 2a + 3b = -15.