Recent content by Heather Chuculate

8.) -5x + y - 4z= 60 2x + 4y + 3z= -12 6x - 3y - 2z= -52 9.) 4a + 5b - 6c= 2 -3a - 2b + 7c= -15 -a + 4b + 2c= -13 14.) 8x + 3y + 6z= 43 -3x + 5y + 2z= 32 5x - 2y + 5z= 24 15.) -6x - 5y +4z= 53 5x + 3y + 2z= -11 8x - 6y + 5z= 4...