SOLUTION: Subtract when denominators are opposite Please show me each step. Subtract: x/3 - (2x - 1)/-3 They say answer is 3x -1 /3. I would like to know why it is -1 and not +1.

SOLUTION: Subtract when denominators are opposite Please show me each step. Subtract: x/3 - (2x - 1)/-3 They say answer is 3x -1 /3. I would like to know why it is -1 and not +1.

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Question 271826: Subtract when denominators are opposite
Please show me each step.

Subtract: x/3 - (2x - 1)/-3 They say answer is 3x -1 /3. I would like to know why it is -1 and not +1. thank you
Answer by dabanfield(803) (Show Source): You can put this solution on YOUR website!
Subtract: x/3 - (2x - 1)/-3 They say answer is 3x -1 /3. I would like to know why it is -1 and not +1. thank you
x/3 - (2x-1)/-3 =
x/3 + (2x-1)/3 =
(x+2x-1)/3 =
(3x-1)/3
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