Question

Решить уравнение. зад.33

Answer 1

Ответ:

$(0.7) {}^{ \frac{2x - 3}{4} } = (1 \frac{3}{7} ) {}^{2 - x} \\ ( \frac{7}{10} ) {}^{ \frac{2x - 3}{4} } = ( \frac{10}{7} ) {}^{2 - x} \\ ( \frac{7}{10} ) {}^{ \frac{2x - 3}{4} } = ( \frac{7}{10} ) {}^{ - 2 + x} \\ \frac{2x - 3}{4} = - 2 + x \\ 2x - 3 = - 8 + 4x \\ 2x - 4x = - 8 + 3 \\ - 2x = - 5 \\ x = 2.5$