Andrea = x
Manuel = x + 3
x + x + 3 = 35
2x = 35 - 3
2x = 32
x = 32/2 = 16
Andrea tiene 16 años
Manuel tiene 16 + 3 = 19 años
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Andrea = x
Manuel = x + 3
x + x + 3 = 35
2x = 35 - 3
2x = 32
x = 32/2 = 16
Andrea tiene 16 años
Manuel tiene 16 + 3 = 19 años