coldnight502
coldnight502
10-11-2014
Mathematics
contestada
what is the answer to this 3x+9=6(x-2)
Respuesta :
Scales
Scales
10-11-2014
3x+9=6(x-2) ---> 3x+9=6x-12 ---> 21=3x--->x=7 x=7 is the answer.
3x+9=6(x)+6(-2) 9+12=6x-3x 21/3=3x/3
Answer Link
rine
rine
10-11-2014
3x +9=6(x-2)
3x+9=6x-12
-3x. =-3x
9=3x-12
+12= +12
21=3x
X=7
Answer Link
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