SOLUTION: i have tried this multiple times and i keep getting it wrong. can you please help me answer it? x-(2x+4)-2x+3x-(12) i dont just need the answer, i need you to explain it to me.

Question 653466: i have tried this multiple times and i keep getting it wrong. can you please help me answer it? x-(2x+4)-2x+3x-(12)
i dont just need the answer, i need you to explain it to me. I get confused on the subtraction part.
Answer by Shana-D77(132) (Show Source): You can put this solution on YOUR website!
x-(2x+4)-2x+3x-(12)

I know where you're going wrong. See that - to the left of (2x+4)? This is probably the problem. You have to think of that at a -1(2x+4).

X-(2x+4) -2x+3x -(12)
x-2x-4 -2x+3x -12
Now combine like terms:
x-2x-2x+3x and -4-12
0 and -16
So the final simplification is -16

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