coldnight502 coldnight502

10-11-2014
Mathematics

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what is the answer to this 3x+9=6(x-2)

Respuesta :

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

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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