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⬆Aspa
2(2x+1) + 3(3x+2)/ 3.2 = 12x + 2/5
4x +2 + 9x + 6/6 = 12x+2/5
13x +8 /6 = 12x +2/5
5(13x+8) = 6(12x+2)
65x + 40 = 72x + 12
28 = 7x
28/7 = x
4 = x
Respuesta
➡x = 4
Un abrazo. .C;