Respuesta :

3(2x-6)+x
6x-18+x
7x-18
is the answer

Answer:

7x-18

Step-by-step explanation:

3(2x-6)+x

multiply 3*2 to get 6x

then 3 *-6 = -18

then you have an extra x which you simply add to the 6x to get 7x

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