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Primero aplicamos la ley distributiva:
4(x - 3) - 5(x + 2) = 7(3x - 1)
4x - 12 - 5x - 10 = 21x - 7
- x - 22 = 21x - 7
21x + x = - 22 + 7
22x = - 15
x = -15/22
Ese seria el valor de "x"
espero haberte ayudado, suerte!