SOLUTION: what expressions are equivalent to another, 9x-3x-4 12x-4 5x+x-4?

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Question 949825: what expressions are equivalent to another,
9x-3x-4
12x-4
5x+x-4?
Answer by macston(5194) About Me  (Show Source):
You can put this solution on YOUR website!
9x-3x-4=6x-4
12x-4
5x+x-4=6x-4
The first and last equations are the same.