tarea (carmen)

profesor lo siento pero el viernes que hise mi tarea se me fue la luz y como despues ya no tuve tienpo hasta hoy volvia ser mi tarea ok
1.-((14/2)(15/7))/((256/14)(357/19))+35x=753951+456852-852963
(210/14)/(91392/266)+35x=753951+456852-852963

-1223628+35x=357890

35x=357890-1223628

35x=865788

x=865788/35

x=247368

2.-5/3+14/7=4x
77/21=4x

4x=3.6

3.6/4
x=0.9

3.-127/4+456/4-123/4=16x+64/4
508+1824/16=2332/16-123/4=9328-1968/64-7360/64

7360/64=16x+16

115=32x

x=115/32

x=3.5

4.-(2)(-3)(5)+25x=(147/15)x-248/43-223/105
30+25x=29.4x-25x

5.7+2.1+30=29.4x-25x

37.8=4.4x

37.8/4.4=

x=8.5


5.-(45/7)/(198/26)+28x=13+(14/67)(222/111)
1170/1386+28x=13+3108/7437

0.8+28x=13+3108/7437

28x=13-0.4+0.8

28x=12.6

x=12.6/28

x=0.45

6.-48/5+(2/3)x=1657/345

144+10/15=154/10

10.2x=2002

x=2002/10.2

x=198.2


7.-(2)(-5)(-7)(-8)(9)+257896-1247-5x=952209
5040+257896-1247-5x=952209

5x=952209-251609

5x=700600

x=700600/5

x=140120

8.-23/3+(16/7)x=23x-12
161+48/21=209/21

9.9x=23x-12

13.1x=12

x=12/13.1

x=0.9

9.-12x-18+(23/7)=145/24-4x
12x-18+3.2=6.0-4x

18+3.2=6.0-4x

8.8=16x

x=8.8/16

x=0.55

10.-(6/7)(3/4)+3x=4-(17/5)
18/28+3x=4-3.4

0.6+3x=4-3.4

3x=4.3+4-0.6

x=0