dragon1692 dragon1692 12-06-2024 Mathematics Answered Write the augmented matrix of the system and use it to solve the system. {42x + 7y - 3z- 42w= -25 {12x + 5y - z - 12w= -1 {-12x + 5y - z -12w= 7 {84x + 14y -6z - 86w= -50 x= y= z= w=