• Asignatura: Matemáticas
  • Autor: juanestebancorr1
  • hace 9 años

1) Si P= 4x - y+4 y Q= 2x + 3y +5, Calcular:
a) P+Q
b)Q - P
c)2p - Q

Respuestas

Respuesta dada por: luiscandio
3
a) P + Q
   
    4x - y + 4 + 2x + 3y + 5 = 6x + 2y + 9

b) Q - P
   
    2x + 3y + 5 - (4x - y + 4)
   
    2x + 3y + 5 - 4x + y - 4 = - 2x + 4y + 1

c) 2P - Q
 
    2(4x - y + 4) - (2x + 3y + 5)
    
    8x - 2y + 8 - 2x - 3y - 5 = 6x - 5y + 3







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