shotiharman shotiharman

06-03-2017
Mathematics

contestada

solve the system of equations: c=-b-11 3c+6=6b

Respuesta :

rarrininger rarrininger

12-03-2017

c= -b-11
3(-b-11) +6=6b

-3b-33+6 = 6b

-3b -27=6b
-3b+3b -27=6b + 3b

-27 = 9b

-27/9 = 9b/9

b= -3

c= -(-3)-11
c = 3-11
c= -8

Check
3(-8)+6=6(-3)
-24+6= -18
-18 = -18

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