Question

x-n/2= x+n/3
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Answer 1

se for isto que quis digitar

( x - n)/2 = ( x + n)/3
2( x + n) = 3 ( x - n)
2x + 2n = 3x - 3n
2x - 3x = - 3n - 2n
-x = - 5n
x = 5n ***