CUARTA TAREA DE ALGEBRA 1-5 MATUTINO

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

-30+25x=(147/15)x-248/43-223/105
-30+25x=9.8x-5.7-2.1
-5x=9.8x-5.7=4.1-2.1
X=2

2.- (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=14.3
x=14.3/28
X=0.5

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

9.6+0.6x=1657+345
0.6x=1657+345-9.6=1992.4/0.6
X=3320.6

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

-5048+257896-1247-5x=951753+456
5x=951753+456+5048+257896-1247
X= 121265

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

1.6+1.3=2x=
2.9/2
X=1.45

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

18/63=0.28
0,28+3x=4-3.4=
3x=4-3.4-0.28= 0.32/3
X=0.10


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

7.6+1.7x=23x-12
7.6+24.7x=-12
24.7x=-12-7.6
24.7x=-19.6
x=-19.6/24.7
=0.79


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

12x-18+3.28=72.5-4
12x+4x=72.5+18-3.28=16
87.22/16
X=5.45


9.-

(210/18)/(123/25)=17/3+3.25x
5250/2250=17/3+3.25
2.3=5.6+3.25x
-3.3/3.25=
-1.0

10.-

22-178+6.6-16x=147+15.5x
22-178+6.6-0.5x-147
0.5x=296.4/0.5
X=592.8

11.-

R=-7012.74