3(4x - 4) - 7x, when simplified, is 5x - 12. So your answer would be A, or the first one.
Ya is = 10x-28 see the picture for explanation
3 ( 5-2(2) 5-4 =1 1×3 =3 ! it's confusing in this format bit the awnser should be 3
The way to find the difference between 5y - 3 you have to first do the inverse operation of multiplication which is division.
5y - 3
__ __
5 5
y - 0.6
320
You add all the numbers together then divide by how many numbers there was. In this case all the numbers added to 6405. You divide by 20 because there were 20 numbers. This will get you to 320.25. The closest answer choice would be 320
