Question

Допоможіть ровз'язати рівняння

Answer 1

$( 9\frac{21}{63} - x) - 3 \frac{15}{63} = 2 \frac{11}{63} \\ 9\frac{21}{63} - x = 2 \frac{11}{63} + 3 \frac{15}{63} \\ 9\frac{21}{63} - x = 5 \frac{26}{63} \\ x = 9 \frac{21}{63} - 5 \frac{26}{63} \\ x = 8 \frac{84}{63} - 5 \frac{26}{63} \\ x = 3 \frac{58}{63}$