Question

БУДУ БЛАГОДАРНА! НЕ ОСТАНУСЬ В ДОЛГУ! ПОДПИШУСЬ! И ДОБАВЛЮ ВАМ БАЛЛОВ!!!​

Answer 1

$1) \frac{4}{7} x = 4 \\ x = 4 \div \frac{4}{7} = 4 \times \frac{7}{4} \\ x = 7$

$2)m \div 2 = \frac{3}{4} \\ m = \frac{3}{4} \times 2 \\ m = \frac{3}{2}$

$3)1 \div x = 7 \\ x = \frac{1}{7}$

$4)9a = 3 \\ a = \frac{3}{9} \\ a = \frac{1}{ 3}$

$5) \frac{1}{4} x = 24 \\ x = 24 \times 4 \\ x = 96$

$6)0.5y = 2y \\ y = 2 \div 0.5 \\ y = 4$

$7)4k + 5k = 2 \\ 9k = 2 \\ k = \frac{2}{9}$

$8)7x - x = 1 \\ 6x = 1 \\ x = \frac{1}{6}$

$9)0.2a + a = 24 \\ 1.2a = 24 \\ a = 24 \div 1.2 \\ a = 20$

$10)x - \frac{2}{3} x = 6 \\ \frac{3x - 2x}{3} = 6 \\ \frac{x}{3} = 6 \\ x = 18$

$11) \frac{1}{4} m + m = 1 \\ \frac{m + 4m}{4} = 1 \\ \frac{5m}{4} = 1 \\ m = \frac{4}{5}$

$12)k - 0.8k = 1.6 \\ 0.2k = 1.6 \\ k1.6 \div 0.2 \\ k = 8$

$13)x + x + 4 = 24 \\ 2x = 24 - 4 \\ 2x = 20 \\ x = 10$

$14)a + 1 + 2a = 7 \\ 3a = 7 - 1 \\ 3a = 6 \\ a = 2$