TERCER TAREA 1.5 ALGEBRA T.MAT. 04/09/09

1. 73X
2. 3/15
3. X/16
4. 22-X
5. X+34
6. 7X-5
7. X/3

8. (23/12)(15/7)-24X=64-11X
-24X+11X=64+345/84
-13X=64+4.10
-13X=68.1
X=68.11-3
X=5.23
9. 45-(28/50+33/2=16X
45-5.6+16.5=16X
55.9=16X
-16X=55.9
X=-55.9/16
X=3.4
10. ((11/3)(45/7)/(26/9)(14/3))X+25-18=33
13365/7644X=33-25+18=13365/7644=1.74
13365/7644X=26
X=2611.74
X=14.9
11. 625-34+(256/4)+42X=758-16/2
591+64+42X=758-5.3
655+42X=752.7
42X=97.7
X=97.7/42
X=2.38
12. ((28/6)(47/3))X+(-2)(-3)(4)(6)=16
1316/18X=16-24+144
1316/18X=136 1316/18=73.11
X=136/73.11
X=1.86
13. ((17/4)(16/2)/(55/4))+25-18=44-33X
33X=-44-27.4-25+18
33X= -78.4
X=78.4/33
X= -2.37
14. (11/18)-23+2X=-17+29-(13/21)
0.61-23+23+2X=-17X+24-0.619
0.61+2X=-17X+28.38
2X+17X=28.38-0.16
19X=27.77
X=27.77/19
X=1.40
15. 1236-458+478-158X=457+(-2)(6)(7)(11)
58X=457+924-1236+458-478
158X=123
X=123/158
X=0.77