Question

Уравнения
Ришите уравнения

Answer 1

$( \frac{7}{15} x + 1.9) - ( \frac{1}{6} x - 3.1) = 8$

$0.3x + 5 = 8$

$0.3x = 3$

$x = 3 \div 0.3$

$x = 10$

х=10