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.
Algebra ->
Polynomials-and-rational-expressions
-> 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.
Log On
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
(