December 2023 1 2 Report
Al realizar la simplificación de las operaciones, se obtiene como resultado: 9x + 13 y - 9z - [7x - { -y + 2z - ( 5x - 9y + 5z) - 3z }]

a 7x + 5y – 3z
b 21x + 23y + z
c 11x + 5y +
d 3x + 21y - 15z

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