segunda tarea 1.5

1*- ((3/5)/(16/9)x+12x-36= -507/40=-251/20

27/80(-2)+12(2)-36=
54/80+24-36=
54/80+12=100480=-507/80=251/20

2*- 13x-35+2/7-15/8=135/56

13(3)-35+2/7-15/8=
39-35+89/56=
4+89/56= 135/56

3*- 21x-16x-18+23-65+79-45x= -157

21(4)-16(5)-18+23-65+79-45(-4)=
84-80-18+23-65+79-180=
84-80=4-18=-14+23=9-65=-56+79=23-180=-157

4*-((9/8)(7/14) / (23/6))x+(1/5)x-19= -8869/460

63/112 / 26/6 (-6)+1/5(3)-19=
378/2912(-6)+1/5(3)-19=
2268/2912+1/5(3)-19=
2268/2912+3/5-19=
6804/14560-19=269836/14560= -8869/460

5*- (23/4)(65/6)+(2/3)(5)-16/5)(-7)+22= 3449/40
1495/24+10/3-16/5(-7)+22=
1495/24+2/15(-7)+22=
22473/360(-7)+22=
-17479/40+22= 3449/40