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