Respuesta:
x = 31
Explicación paso a paso:
5 (x -3) = 4 (x +4)
5x -15 = 4x +16
5x -4x = 16 +15
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Respuesta:
x = 31
Explicación paso a paso:
5 (x -3) = 4 (x +4)
5x -15 = 4x +16
5x -4x = 16 +15
x = 31