1.-3/7+2/5-(16/8)x=
x=-3
=157/105

2.-15-17+33x-9x=
x=5
=155/45

3.-[(9/5)(5/8)x+(2/3)x+54=
x=-4
=1835/30

4.-(18/7)/[17/5)(8/9)]x+19=
x=2
=2421/119

5.-(22/16)-(17/9)+33x-67-6x=
x=-2
=215/18

6.-23x-185x+215x-13+44=
x=7
=113

7.-42/15+33/9-28x=
x=8
=19256/135

8.-(24/4)(6/9)+1/2-16x-59+46=
x=-5
=95/2

9.-[(24/5)/(19/7)]x+13x-157x+79=
x=7
=21239/95

10.-[(156/37)/(456/89)]x+23x-179=
x=0
=218179/1406

primer tarea

I
1.real
2.racional
3.racional
4.racional
5.racional
6.racional
7.racional
8.real
9.imaginario
10.real
II
11.(4)(-5)(3)(-2)(1)(-7)(8)=6040
12.(9)(7)(-4)(6)(-4)(0)(34)=216027
13. -2+6-7-8-5+6+45+23-73-11+152=126
14. -6-9-8-7-5-8-6=-49
15. -44-56+65+2+5-8-9+9+6-7+4=-12
16.(12)(3)(-4)(2)(7)(11)(-3)=42000
17.[(9/3)(4)](-2)+4-5(3)+(-2)-2(-7)
(12)(2)(-2)+4-5(3)+3(-2)-2(-7)
(12)(-2)+4-5(3)+3(-2)-2(-7)
(12)(-2)+(-5)(3)+3(-2)-2(-7)
(12)(-2)-15+3(-2)-2(-7)
-24-15+3(-2)-2(-7)
-39+3(-2)-2(-7)
-39-6-2(-7)
-39-6+14
45+14=31
=31
18.[((5)(8)/10)(5)]+2-7(-4)+5(7)-2-7-6+14
(4)(5)+2-7(-4)+5(7)-2-7-6+14
20+2-7(-4)+5(7)-2-7-6+14
20-5(-4)+5(7)-2-7-6+14
20+20+5(7)-2-7-6+14
40+5(7)-2-7-6+14
40+35-2-7-6+14=74
=74
19.(5/4)*(13/9)=65/36
20.(12/6)(3/5)*(16/4)+(2/5)=73/600
21.(3/7)+(12/5)-(5/4)=221/140
22.(14/3)(16/5)/(12/8)(9/6)=11752/1620