SOLUTION: Hello, It's a general maths question. For example if I have: x=2(b-a)/(b-a) and I allowed to cross out the 2 brackets (b-a) and simply state that x=2 or are there some steps

Question 494504: Hello,
It's a general maths question.
For example if I have: x=2(b-a)/(b-a)
and I allowed to cross out the 2 brackets (b-a) and simply state that x=2
or are there some steps in order to conclude to that answer?
Thank you!
(P.S.sorry for not selecting the apt topic, but the box wasn't working!)
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Hello,
It's a general maths question.
For example if I have: x=2(b-a)/(b-a)
and I allowed to cross out the 2 brackets (b-a) and simply state that x=2
or are there some steps in order to conclude to that answer?
--------------
You can cancel the b-a terms, but you have the restriction that
b-a cannot equal zero, --> b not equal to a.
The denominator cannot be zero.

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