Respuesta :

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X=3 i think , sub -3x from 3x & 7x and you’ll get 4x . Add +2 to 2 & 10 . 4 divided by 12 is 3 x=3

Answer: x=3

Step-by-step explanation:

7x-2=3x+10

-3x   -3x

4x-2=+10

   +2  +2

4x=12

4x/4=12/4

x=3