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Aleonysh [2.5K]
3 years ago
15

Six plus four fifths A equals nine tenths A

Mathematics
1 answer:
Drupady [299]3 years ago
8 0
6+4/5a=9/10a
make bottom numbers same
into 10
60/10+8/10a=9/10a
minus 8/10a from both sides
60/10=1/10a
multiply both sides by 10
60=a
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