Respuestas

  • Usuario de Brainly
2013-07-04T22:36:41+02:00
Serian
y=2/9-5/3
y=-13/9

b)y=-7/4-4/3
y=-37/12
c) x=20/6+10/6
x=30/6
x=5

d) y=5/8+23/4
y=51/8
e)x=35/1
x=35
f) 11x/4=2/3-11/2
11x/4=-29/6
x=-39*11/6*11
x=-429/66
x=-13/2

sldsssrts
2013-07-04T22:49:09+02:00
Y= 2/9 - 5/3.. = 2-15/9 = 13/9
y= -4/3 - 7/4 = -16-21/ 12 = -37/12
x= 20/6 + 10/6 = 20+ 10/6 = 30/6 = 5
y= 5/8 +23/4 = 5+ 46/ 8= 51/8
x= 7/1/1/5= 35
x= 2/3-11/2 todo sobre 11/4 = 4-33/6 todo sobre 11/4 = 29/6 todo sobre 11/4 =116/ 66= 53/33