Jherek
Jun 26, 2012, 11:32 AM
2bc+bd-b+3=-4c-4 solve for b.
My answer was: b=(-4c-7)/2c+d-1
The answer should have been: b=(4c+7)/-2c+d-1
I know that they multiplied by -1 to get the proper answer, but I really just don't understand WHY?
My answer was: b=(-4c-7)/2c+d-1
The answer should have been: b=(4c+7)/-2c+d-1
I know that they multiplied by -1 to get the proper answer, but I really just don't understand WHY?