Question

144: (x-3)=36
21× (y-8)=84
​

Answer 1

Ответ:

144:(x-3)=36;

x-3=144:36;

x-3=4;

x=4+3;

x=7;

21×(y-8)=84;

y-8=84:21;

y-8=4;

y=8+4;

y=12;