Respuesta :

nonversxtion
Alright, so basically what we're going to do here is substitute the x (6, in this case) into the expression to get the answer.
If we do that, we end up with this:
7(6) - 4 (6-6) + 12
= 42 - 4 (0) + 12
= 42 - 4 + 12
= 52

52 is the answer :)
7x−4(6−6)+12=7x+0+12Combine Like Terms:=7x+0+12=(7x)+(0+12)=7x+12Answer:=7x+12

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