(x - 2)/3 - (x + 3)/5 = 4
5(x - 2)/15 - 3(x + 3)/15 = 60/15
5(x - 2) - 3(x + 3) = 60
5x - 10 - 3x - 9 = 60
5x - 3x = 60 + 10 + 9
2x = 79
x = 79/2
x = 39,5
Letra A.
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(x - 2)/3 - (x + 3)/5 = 4
5(x - 2)/15 - 3(x + 3)/15 = 60/15
5(x - 2) - 3(x + 3) = 60
5x - 10 - 3x - 9 = 60
5x - 3x = 60 + 10 + 9
2x = 79
x = 79/2
x = 39,5
Letra A.