PROCEDIMIENTO DE LA TAREA 2

1) ((3/5)/ (16/9) (-2)+12(-2)-36=
(27/80)(-2/1)-24-36=
-54/80-24-36=-54/80-60/1=-534/80=-267/40
X=-2=-267/40
X=2= (27/80)(2/1)-24-36=54/80-24-36=54/80-60/1=426/80=213/40
2)-13(-3)-35+2/7-15/8=
39-35-16/105=404/105
-13(3)-35+2/7-15/8=
-39-35-16/105=-7786/105
X=-3=404/105 x=3=-7786/105
3)-21(-4)-16(-4)-18+23-65+79-45(-4)=347
-21(5)-16(5)-18+23-65+79-45(5)=-391
4) ((9/8) (7/14)/23/6)) (-6)+(1/5)(-6)-19=(63/112)/(23/6)=378/2576(-6)+(1/5)(-6)-19=
378/2576(-6/1)=-2268/2576-6/5-19=-24060/12880
((9/8)(7/14)/23/6))(3)+ (1/5)(3)-19=