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kherson [118]
3 years ago
9

If a+b-c=d, if a-b+c=e, then a= ?

Mathematics
1 answer:
yaroslaw [1]3 years ago
4 0
A + b = d+c 
<span>a - b = e - c </span>
The b and c cancel out. 
<span>2a = d+e </span>
<span>a = (d+e)/2 </span>

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