Решите уравнения 1)x/72-13/72=29/72 2)(29/42-a)-13/42=11/42 3)15/17-(b-3/17)=6/17 4)29/43-(m+13/43=5/43

х/72-13/72=29/72 х/72=29/72+13/72 х/72=32/72 х=32/72•72 х=32 (29/42-а)-13/42=11/42 (29/42-а)=11/42+13/42 (29/42-а)=24/42 -а=24/42-29/42 -а=-5/42 а=5/42 15/17-(в-3/17)=6/17 15/17-в+3/17=6/17 -в+18/17=6/17 -в+1 1/17=6/17 -в=6/17-1 1/17 -в=-12/17 в=12/17 29/43-(m+13/43)=5/43 29/43-m-13/43=5/43 -m+16/43=5/43 -m=5/43-16/43 -m=-11/43 m=11/43