1.- (5/3)+(4/3) = 2X
resultado.-
(5/3)+(4/3)=3
3/2=x
x=1.5
2.- (6/7)(3/9) + 3X = 4 - (17/5)
resultado.-
(6/7)(3/9)=2/7
4-(17/5)=3/5
3x=3/5-2/7
x=11/35/3
x=0.104
3.- (23/3) + (16/9)X = 23X -12
resultado.-
(23/3)+12=23x+(16/9)x
(23/3)+12=59/3
59/3=(223/9)x
59/3/223/9=x
x=0.793
4.- 12X - 18 + (23/7) = (145/2) -4Xresultado.-
12x+4x=(145/2)-(23/7)+18
(145/2)-(23/7)=969/14
969/14+18=1221/14
16x=1221/14
x=1221/14/16
x=5.450
5.- ((14/2)(15/9) / (125/25)) = 17/3 + (13/4)X
resultado.-
(14/2)(15/9)=35/3
(35/3)/(125/25)=7/3
7/3-17/3=-10/3
-10/3=13/4x
x=-10/3/13/4
x=1.025
6.- 22 -178 + 33/5 -16X = 147 + (248/16)Xresultado.-
22-178+33/5-147=(248/16)x+16x
22-178=200
200+33/5=1033/5
1033/5-147=298/5
298/5=63/2x
298/5/63/2=x
x=1.892
7.- (2)(-3)(5) + 25X = (147/15)X - 248/43 - 223/105
resultado.-
25x-(147/15)x=(2)(-3)(5)-(248/43)-223/105
(2)(-3)=-6
(-6)(5)=-30
-30+248/43=-1042/43
-1042/43+223/105=-22.108
76/5x=-22.108
x=-22.108/76/5
x=-1.454
8.- (45/7)/(198/26) + 28X = 13 + (14/67)(222/111)resultado.-
(45/7)/(198/26)=65/77
-65/77+13=936/77
(14/67)(222/111)=12.573
x=12.573/28
x=0.449
9.- 48/5 + (2/3)X = 1657 + 345
resultado.-
1657+345=2002
(2/3)x=2002-(48/5)
x=9962/5/2/3
x=2988.6
resultado.-
(2)(-5)=-10
(-10)(-7)=70
(70)(-8)=-560
(-560)(9)=-5040
-5040+257896=252856
252856-1247=251609
251609-951753=-700144
-700144-456=-700600
-700600/5=x
x=-140120