1.- 25x-9.8x=-5.76-2.12+30=15.2x=22.12=x=22.12/15.2= x=1.45
2.- 28x=13+0.40-0.84=28x=12.56x=12.56/28= x=0.44
3.- 0.66x=1657+345-9.6=0.66x=1992.4 x=1992.4/0.66= x=3018.7
4. -5x=951753+456+1247-5040=-5x=948416=x=948416/-5
x=-189683.2
5.-1.66+1.33=2x=2.99=2x=x=2.99/2= x=1.49
6.-3x=4-3.4-0.28=3x=0.32=x=0.32/3 x=.10
7.-1.77x-23x=12-7.66=-21.23x=19.66=x=19.66/-21.23 x=-0.92
8.-12x+4x=72.5+18-3.28=16.=87.22=x=87.22/16 x=5.45
9.-2.32-5.66=3.25x=-3.34=3.25x=x=-3.34/3.25= x=1.02
10.- -16x+15.5x=147+178-22-6.6=-0.5=296.4=x=296.4/-0.5 x=-592.8
11.- -145x+1.37x=123987+456258-654852-951357=-143.62x=-1025964 x=-1025964/-143.62= x=7143.60

tercera tarea 1ª5 algebrat.mat 04/09/09

1)=73x
2)=(x)/(15)
3)=x/16
4)=22(x)
5)=34+x
6)=7x-5
7)=x/3
8)=-24x+11x=-4.10+64=-13x=59.89=59.89/-13=x=-4.6
9)=28/5+33/2=56+165/10=221/10=22.1+45=67.1=16x=x=67.1/16= x=4.19
10)= (435/21)/(364/27)=13365/7644=1.74=33-25+18=1.74x=26=x= 26/1.74 =x=14.94
11)=42x=758-5.3-625+34-64=42x=97.7=x=97.7/42=x=2.32
12)73.11x=16+120=x=136/73.11=x=1.86
13)=33x=44-25+18-2.47=33x=27.47=x=27.47/33=x=0.83
14)=2x+17x=29-0.62+23-0.61=19x=50.77=x=50.77/19=x=2.67
15)=-158x=457-924-1236-478+458=-158x=-1723=x=-1723/-158= x=10.91