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HELP WITH THIS MATH QUESTION ​

HELP WITH THIS MATH QUESTION class=

Răspuns :

Răspuns:

A+B= 3x-2y+2x+3y= 5x+y=> 5×1+y= 5+y

A-B=3x-2y-2x+3y=x+y= 1+y

B-A=2x+3y-3x-2y=> -x+y= -1+y= y-1