Simplify.8a-7b+4a-8c+5b
Simplify the term8a-7b+4a-8c+5b
8a-7b+4a-8c+5b=8a+4a-7b+5b-8c=12a-2b-8c∴8a-7b+4a-8c+5b=12a-2b-8c
If 8a−5b8c−5d=8a+5b8c+5d, then ab=cd