4° TAREA 1°5

Encontrar el valor de X.

1.- (2)(-3)(5) + 25X = (147/15)X - 248/43 - 223/105

-30x +25x =9.8x -5.76 -2.12
25x -9.8x =-5.7 -12.2 +30
15.2x = 12.1
x= 12.1/15.2
x=0.7960

2.- (45/7)/(198/26) + 28X = 13 + (14/67)(222/111)

(1170/1386) +28 = 13 +(3108/7437)
0.84 +28x = 13 + 0.41
28x = 13.41 -0.84
x= 12.57/28
x= 0.44

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

9.6 +0.6x = 2002
0.6x = 2002 -9.6
x= 1992.4/0.6
x= 3320.66

4.- (2)(-5)(-7)(-8)(9) + 257896 -1247 -5X = 951753 + 456

-5040 +256649 -5x = 952209
251609 -5x= 952209
-5x= 700600
x= 700600/-5
x= -140120

5.- (5/3)+(4/3) = 2X

9/3 = 2x
3 = 2x
x=3/2
x=1.5

6.- (6/7)(3/9) + 3X = 4 - (17/5)

(18/63) + 3x = 4 - (16/5)
0.28 +3x = 4 -3.4
3x = 0.6 -0.28
x= 0.32/3
x= 0.10

7.- (23/3) + (16/9)X = 23X -12

(16/9)x - 23x= -12 -(23/3)
-21.22x = -19.66
x= -19.66/-21.22
x= 0.92

8.- 12X - 18 + (23/7) = (145/2) -4X

12x -18 +(23/7) = (145/2) -4x
12x +4x = 14.71 + 72.5
16x = 87.21
x= 87.21/16
x= 5.45

9.- ((14/2)(15/9) / (125/25)) = 17/3 + (13/4)X

(210/18)/(125/25) = (17/3) + (13/4)x
2.33 - 5.6 = 3.2x
x= -3.3/3.2
x= -1.03

10.- 22 -178 + 33/5 -16X = 147 + (248/16)X

-156 +(33/5) -16x = 147 +(248/16)x
-16x -15.5x = 147 +156 -6.6
-31.5x = 296.4
x= 296.4/-31.5
x= -9.4

11.- 951357 -456258 + (22/16)X = 145X -654852 +123987

1.37x -145x = -654852 +123987 -951357 +456258
-143.63x = -1025966
x= -1025966/-143.63
x= 7143.11

3° tarea 1-5 m

I. ESCRIBIR LA ECUACIÓN CORRESPONDIENTE

1) Setenta y tres veces un número ____73x

2) un número natural dividido por 15 ____x/15

3) La decimosexta parte de un número ____x/16

4) La diferencia de 22 y un número ____22-x

5) la suma de un numero y 34 ____x+34

6) Siete veces un numero menos 5 ____7x-5

7) El tercio de un número____x/3


II.- RESOLVER LAS SIGUIENTES IDENTIDADES
8) (23/12)(15/7) - 24X = 64 -11X
345/84-24x=64-11x
345/84+11x-24=64
345/84+13x=64
4.10-13x=64
-13x=64-4.10
-13x=59.89/-13
x=-19.96


9) 45 - (28/5) + 33/2 = 16X
(45/1)-(28/5)+33/2=16x
225-28/5=197
197/5+33/2=394+165/10=559/10
559/10=16x
559/10-16=x
559/10-16/1=559-160/10=399/10
399/10=x
x=39.9

10) ((11/3)(45/7)/(26/9)(14/3))X + 25 -18 = 33
(495/21)/(364/27)x
(13365/7644)x+25-18=33
13365/7644+25/1-18=33-x
13365+191100/7644=204465/7644-18/1
204465+137592/76644=66873/76644
66873/76644-33/1=x
(66873-252252)/7644=-185379/7644
x=-24.2


11) 625-34 + (256/4) + 42X = 758 - 16/3
625-34+64+42x=758-5.3
655+42x=752.7
42x=752.7-655
x=97.7/42
x=2.3


12) ((28/6)(47/3))X + (-2)(-4)(3) - (-2)(-3)(4)(6) = 16
73.11x+24-144=16
73.11x=16-24+144
73.11x=136
x=136/73.11=
x=1.86


13) ((17/4)(16/2)/(55/4)) + 25 -18 = 44 -33X
(272/440)/(55/4)
1088/440=2.47+25-18044-33x
27.47-18=9.47
9.47=44-33x
9.47-44=-33x
-34.53=-33x
x=-34.53/-33
x=1.04


14) (11/18)- 23 + 2X = -17X + 29 - (13/21)
-22.38+2x=-17x+22.38
2x+17x=28.38+22.38
19x=50.76
x=50.76/19
x=2.67


15) 1236 - 458 + 478 -158X = 457 +(-2)(6)(7)(11)
1256-158x=455
-158x=455-1256
-158x=-801
x=-801/-158
x=5.06