2° tarea 1-5 M.

1.- ((3/5)/(16/9)x + 12x -36 =
X= -2
X= 2

((3/5)/(16/9)(-2)-36=
(27/80)(-2/1)=-54/80-24-36=
-0.675-24-36=
-24.675-36=-60.675
_____________________
(27/80)(2)+24-36
(27/80)(2/1)=54/80
54/80+24-36=
0.675+24-36=
24.675-36=-11.325



2.- 13x - 35 +2/7 -15/8 =
X= -3
X= 3

13(-3)-35+2/7-15/8=
(2/7-15/8)=-89/56
-89/56=1.589
-74-1.589=-75.589
_____________________
13(3)-35+2/7-15/8=
13(3)=39-35=
89/56=1.589
1.589-4=2.411


3.- 21X -16X-18 +23 -65 +79 -45x =
X= -4
X= 5

21(-4)-16(-4)-18+23-65+79-45(-4)=
-84+64-18+23-23-65+79+180=
-20-18=-38+23=-15
-15-65=-80+79-1+180= 179
____________________________
21(5)-16(5)-18+23-65+79-45(5)=
105-80-18+23-65+79-225=
25-18=7+23=30-65=-35
-35+79=44=-181


4.- ((9/8)(7/14)/(23/6))x +(1/5)x -19 =
x= -6
x= 3

((9/8)(7/14)/(23/6))-6+(1/5)-6-19
((63/112)/(23/6))=27/184
(0.146)-6=-5.853
-5.853+0.2=-5.653-6=-11.653
-11.653-19=-30.653
_____________________________
((9/8)(7/14)/(23/6))3+(1/5)3-19
((63/112)/(23/6))=27/184
(27/184)(3)=(0.2)-19
0.438+0.6-19=
1.038-19=-17.962


5.- (23/4)(65/6) + (2/3)x -16/5)x +22 =
X= 5
X= -7

(23/4)(65/6)+(2/3)5-(16/5)5+22
1495/24+10/3+6
1495+80+144/24
1719/24=71.6
______________________________
1495/24+2/3(-7)-16/5(-7)+22
1495/24+14/3+112/5+22=102.02