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5(x-3) - 2 = 23
5x - 15 - 2 = 23
5x - 17 = 23
5x = 23 + 17
5x = 40
x = 40/5
x = 8 ---->>> Respuesta
5 (x-3) - 2 = 23
Aplicamos la propiedad distributiva:
5x - 15 - 2 = 23
5x - 17 = 23
5x = 23 + 17
5x = 40
x = 40÷5
x = 8 ---> resultado
Espero que te sirva y te saques una buena nota..!