Is (a-b) + (c-d) = (a+c) - (b+d)?

feras

New member
Joined
Jan 12, 2016
Messages
1
Hello,

I would like to know if the following is correct

Is (a-b) + (c-d) = (a+c) - (b+d)?

If yes please can you provide a proof, if not please show an example
 

Subhotosh Khan

Super Moderator
Staff member
Joined
Jun 18, 2007
Messages
18,187
Hello,

I would like to know if the following is correct

Is (a-b) + (c-d) = (a+c) - (b+d)?

If yes please can you provide a proof, if not please show an example
Yes ... that is a true statement.

For proof - eliminate parentheses and rearrange terms.

What are your thoughts?

Please share your work with us ...even if you know it is wrong

If you are stuck at the beginning tell us and we'll start with the definitions.

You need to read the rules of this forum. Please read the post titled "
Read before Posting" at the following URL:

http://www.freemathhelp.com/forum/th...Before-Posting
 
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