Question

Which expression has a simplified expression of 5x - 12?

3(4x- 4) - 7x
-3(4x- 4) - 7x
3(-4x+ 4) - 7x
-3(-4x- 4) - 7x

Answer 1

@Anonymousstudent

Answer 2

Alrighty then. Do you know how to do this one? It's exactly like the other ones.

Answer 3

sort of.

Answer 4

Alright. They all have to do with distributing. You distribute the three to what's in the brackets. like so, then afterwards you simplify and add and subtract what matches together. \[1.) 12x-12-7x = 5x-12\]

Answer 5

So the first one is alright.

Answer 6

The second one you distribute -3 to whats in the brackets. so you end up with \[-12x +12 - 7x, if you simplify that, you \end up with -19x+12\]
So that's not it! :)

Answer 7

did you find the right answer to this problem?

Answer 8

ughhh....NO it the 1st one

Answer 9

Shhhhhhhhhhhh. Yeah it's the second one, I thought it was the one that wasn't it. xD Oops,

Answer 10

hahaha its all good..its all about looking carefully at the signs/operators used