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Ainat [17]
3 years ago
15

3/10 minus what equals 2/5?

Mathematics
2 answers:
Jlenok [28]3 years ago
3 0
7/10-3/10=2/5
3/10+1/10=2/5
netineya [11]3 years ago
3 0
3/10-x=2/5
3-10x=4
-10x=1
x=-1/10
So it is -1/10
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