Question

срочно (13/49+х)-21/49=19/49
11/17-(х+4/17)=1/17

Answer 1

Ответ:

Пошаговое объяснение:

(13/49+х)-21/49=19/49;

13/49+х = 19/49 + 21/49;

13/49+х = 40/49;

x=40/49-13/49;

x=27/49.

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11/17-(х+4/17)=1/17;

-(х+4/17) = 1/17 - 11/17;

x+4/17 = 10/17;

x= 10/17 - 4/17;

x=6/17.