mpete1234567890
24.03.2020 •
Mathematics
PORFAVOR... ESTA ES LA TERCERA VEZ QUE PUBLICO LA MISMA PREGUNTA, AYÚDAME!!
Resolver las siguientes ecuaciones por el sistema de ecuaciones del método SUSTITUCIÓN:
A) 2x-3y=-6
x + y = 7
B) 8x+5y=-28
3x+2y=-11
Resolver las siguientes ecuaciones por el sistema de ecuaciones del método SUMA Y RESTA:
A) 5x+6y=20
4x-3y=-23
Solved
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