Question

решите уравнения 1)45 13/19 -x=31 15/19 2) 3 17/23+x=4 21/23.Спасибо

Answer 1

$1)45 \frac{13}{19} - x = 31 \frac{15}{19} \\ x = 45 \frac{13}{19} - 31 \frac{15}{19}$

$x = 44 \frac{32}{19} - 31 \frac{15}{19} = 13 \frac{17}{19}$

$2)x = 4 \frac{21}{23} - 3 \frac{17}{23} = 1 \frac{4}{23}$