Решите уравнения
А)p+4/19=1
Б)1-p=15/23
В)p+16/25=1
Г)1-p=7/18

$1) p = 1- frac{4}{19} = frac{19}{19} - frac{4}{19} = frac{19-4}{19} = frac{15}{19}$
$2) p = 1- frac{15}{23} = frac{23}{23} - frac{15}{23} = frac{23-15}{23} = frac{8}{23}$
$3) p = 1- frac{16}{25} = frac{25}{25} - frac{16}{25} = frac{25-16}{25} = frac{9}{25}$
$4) p = 1- frac{7}{18} = frac{18}{18} - frac{7}{18} = frac{18-7}{18} = frac{11}{18}$