cuarta tarea

1:(5/3) + (4/3) = 2x
2x:(27/9) : (9/3) = 3
x:(3/2) = 1.5

2:(6/7) (3/9) + 3x =4-(17/5)
3x:(6/7)(3/9) + (17/5) -4
3x:18/63+17/5:(1161/315):(129/35)-(4/1) : -11/35: .(31)
x:.31/3: (.10)

3:(23/3)+(16/9)
23x:-(127.6)+1.7
23x:-127.6+24.7
x:-1224.7x=-12-7.624.7
x:-19.6
x:-19.6/24.7x
x:(-0.7)

4:-12x-18+(23/7)=(145/2)-4x
4x:12x-18+3.2=72.5-4x
16x:-18+3.2=72.5
16x:72.5+18-3.2
16x:87.3
x:87.3 /16
x:5.45625

5:((14/2)(15/9)/(125/25)):17/3+(13/4)x
(210/18)/(125/25):17/3+3.25x
5250/2250
x:17/3+3.25x
5250/2250:17/3+3.25x
x:-3.3=3.25x
x:-3.3/3.25
x:-1.0

6: 22-178+33/5-16x:147+(24822-178+6.6-147:15.5x+16/16)x
22-178+6.6-16x:147+15.
22-178+6.6-147:15.5x+16
-156+6.6-147 :31.5x
-149.4-147:31.5x
296.4:31.5x
x:9.40

7:(2)(-3)(5)+25x :(147/15)x-248/43-223/105
-30+25x:(147/15)x-248/42-223/105-30+25x
x:9.8x-5.9-2.1
-30+15.2x:-5.9-2.1
15.2x:-5.9-2.1+30
15.2x:22
x:22/15.2
x:1.44737

8:(45/7)/(198/26)+28x:13+(14/67)(222/111)
1170/1386+28x:13+3108/1437
0.8+28x:13+2.1
28x:13+2.1-0.8
28x:14.3x
x:14.3/28
x:0.5

9:48/5+(2/3)x:1657+345
9.6+0.6x:1657+345
0.6x:1657+345-9.6
0.6x:1992.4
x:1992.4/0.6
x:332.0666

10:(2)(-5)(-7)(-8)(9)+257896-1247-5x:951753+456
-5040+257896-1247-5x:951753+456
5x:951753+456+5040-257896+1247
5x:700600
x:700600/5
x:140120

tersera tarea 1-4

1) 12x-(5/8)-23=11
12x=11+23+.63
12x=34.63
x=34.63/12=2.89
2) (6/6)(4/9)+23x-(715)=(912)
(24/54)+23x-7/5=9/2
.44+23x-1.4=4.5
23x=4.5+1.4-.44
x=5.46/23=.24
3) (18/6)/(24/17)x+25-18=65
(306/102)x+25-18=65
2.96x+25-18=65
2.96x=6+18-25
x=58/2.96
x=19.57
4) (-2)(5)(3)+(-3)(-6)(5)+(1/2)x+4=19
-30+90+.5x+4=19
.5x=-19-4-90-30
x=-105/.5
x=-210
5) (19/13)(27/6)(35/4)+22=73x
(114/351)/(35/4)+22=73x
73x=(.32)/(8.5)+22
73x=-19..28
x=-19.28/73
x=-.26
6) 184x-235-6/5=212x-66
184x-212x=66+1.2+235
x=302.2/-28
x=10.79
7) (44/169)(2)-15x+33=45-79(12/16)
2.75(2)-15x+33=-79(.75)
15x+45x=.75-79+33-2(2.75)
60x=17.18
x=17.8/60
x=.29

segunda parte

8) x+8

9) x(5)-4

10) (x/4)(17)

11) (x/3)

12) (x/7)

13) (x/4)+9

14) 36-x