Question

найдите корни уравнений

Answer 1

Вот........................

Answer 2

$(y - 3.3) \div5.3 = 0.07 \\ y - 3.3 = 5.3 \times 0.07 \\ y - 3.3 = 0.371 \\ y = 0.371 + 3.3 \\ y = 3.671 \\ \\ 0.32x + 0.47 = 12.8 \\ 0.32x = 12.8 - 0.47 \\ 0.32x = 12.33 \\ x = 12.33 \div 0.32 \\ x = 38.53125$