cuarta tarea de algebra

1.-((14/2)(15/7)) / ((256/14)(357/19) + 35X=753951+456852-852963

(210/14) / (91392/266) + 35X= 357840

55860/ 1279488= 0.0436

0.0436+ 357840= 357840.04

35x= 357840.04/35

X=10224.00

2.-5/3 + 14/7= 4X

35+42/21= 77/21

77/21= 3.6

4x=3.6/4

X=0.9

3.-127/4 + 456/4 – 123/4 = 16X + 64/4

508+18247/16= 2332/16 - 123/4 = 9328 – 1968/64=7360/64

64/4 + 7360/64= 4096+29440/256= 33536/256

16x= 33536/256= 131

16x= 131/16

X= 8.18

4.-(2)(-3)(5) + 25X= (147/15)X – 248/43 – 223/105

-30+ 25x= 147/15X-2040-9589/ 4515= 11051/4515

25X=-30 147/15 – 11051/ 4515= 663705-165765/6725= 497940/6725

25X=(-30/1)(497940)

25X= -14938200/67725= -220. 5714

25X= -220.5714/25

X= -8.8228

5.-(45/7) / (198/20) + 28x=13+(14/67)(222/111)

1170/1386 + 28X= 13+ 3108/7437

1170/1380 + 28X= 13/1 + 3108/7437= 96681+3108/7437=9978/7437

28X=99789/7437 + 1170/1380= 137708820/8701290=15.82

28X=15.82/28

X= 0.565

6._48/5 + 2/3x = 1657 + 345

48/5+ 2/3x = 2002

2/3X= 48/5 + 2002/1= 48+10010/5= 10058/5

2/3x= 10058/5

2/3 / 10058/5 = 10/ 30174

X= 3.314

7.-(2)(-5)(-7)(-8)(9) + 257896-1247-5X= 951753 + 456

-5040 + 256649 – 5X= 952209

251609

5X=952209-251609

5X=700600/5

X= 140120

8.- 23/3 + (16/7)x= 23x-12

23x= 23/3 + 16/7 = 161+48/ 21= 209/21

23x=209/21 – 12/1= 209-252/21= -43/21

-43/21= -2.04

23x=-2.04/23

X= -0.0886

9.-12x-18+(23/7)= 145/24 – 4X

10.- (6/7)(3/4) +3X= 4-(17/5)

18/28 + 3x= 4/1 – 17/5 = 25-17/5= 3/5

3x= 3/5 + 18/28 = 84+90/125=174/125= 1.392

3x= 1.392/3

X= 0.464

tercer tarea de algebra

1._ 25X*157-18=-33X*25-67

2:_(2)(-4)(5)*(-2)(3)(8)*16X=145
16X=145-4º*-48
16X=57/16
X= 3.5
3._((15/4)(16/7)/(33/22)(12/21))X*24-(16/7)=52-(45/5)
(15/4)(16/7) / (33/22)(12/21)X*24-(16/7)=52-(45/5)
(240/28) / (396/ 462) = 110880/11088X124-2.2=52-9
11088/11088X= 64.8
10X= 6.8
X= 6.8/1º
X= 0.68
4._((29/7)(134)-45*29=15X-(34/6)
(4.14)(134)-45*29=15X-5.6
554.76-45*29=15X-5.6
538.76
15X=533.16/15
X= 35.544


5._256-(425/25)*(156/4)=36X
256-17*39=36X
36X= 256- 17*39
36X=278
X=278/36
X=7.72

6.- (-2)(-3)(-5)(4) * (-6)(-7)(4)-41= 67-18X
-120*168-41=67-18X
7X=67-18X
18X= 67-7
18X=60
X=60/18
X= 3.3
7._(12/9)*(13/15)-(18/3)*222X=475-(11/4)
(12/9)*(13/15)-(18/3)*222X=475-11/4
180*117/ 135= (287/135)(18/3)=891-2430/405=-1539/405
-1539/ 405= -3.8 11/4= 2.75
222X=3.8*475-2.75
222X=468.45
X= 468.45/222
X= 2.110

8. QUINCE VECES UN NUMERO = 15*x
9.un numero entre veinticinco= x/25
10.CUATRO VECES UN NUMERO MENOS 8= 3X-8
11. LA DOCEAVA PARTE DE UN NUMERO MULTIPLICDO POR 3=12/X (3)
12·LA DIFERENCIA DE UN NUMERO Y 25 =X
13·LA SUMA DE 14 Y UN NUMERO =14+X
14·EL DOBLE DE UN NUMERO MENOS LA TERCERA PARTE DE OTRO = 2X-3X

tercer tarea de algebra

ta