Question

решите уравнение:52/63-x/63=25/63
x/38+14/38=23/38
(12/13+x)-5/13=9/13

Answer 1

x=25•63/63
x=25

x/38=9/38
x=9

Answer 2

1) 52/63-х/63=25/63;   52/63-25/63=х/63;   х/63=27/63,  х=27;
2) (12/13+х)-5/13=9/13;   12/13+х=9/13+5/13; 12/13+х=14/13, х=14/13-12/13,  х=2/13  

Answer 3

ты не то сделал)