hnrhea99 hnrhea99

19-02-2016
Mathematics

contestada

How many solutions does the following equation have

-3x+9-2x= -12x-5x

No solution
Exactly one solution
Infinitely many solutions

Respuesta :

orlando21 orlando21

19-02-2016

-3x-2x+12x+5x=-9
-5x+12x+5x=-9
-5x+17x=-9
-12x=-9
x=-9+12
×=-3

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