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butalik [34]
3 years ago
9

3/7+a=4/7 i dont know what a is

Mathematics
2 answers:
swat323 years ago
8 0
A =1/7... since they both have a denominator of 7, u can just subtract 3 from 4 and get 1 sorry if that's confusing
Yanka [14]3 years ago
3 0
For this question. 

A = 1/7

Comment if you would like me to show my work :)
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