SOLUTION: 3. Solve for X, Y, and Z in the following systems of three equations: a. X + 2Y + Z = 22 X + Y = 15 3X + Y + Z = 37 b. 10X + Y + Z = 603 8X + 2Y + Z

Algebra ->  Linear-equations -> SOLUTION: 3. Solve for X, Y, and Z in the following systems of three equations: a. X + 2Y + Z = 22 X + Y = 15 3X + Y + Z = 37 b. 10X + Y + Z = 603 8X + 2Y + Z       Log On


   

Question 305702: 3. Solve for X, Y, and Z in the following systems of three equations:
a. X + 2Y + Z = 22
X + Y = 15
3X + Y + Z = 37
b. 10X + Y + Z = 603
8X + 2Y + Z = 603
20X - 10Y - 2Z = -6
c. 22X + 5Y + 7Z = 12
10X + 3Y + 2Z = 5
9X + 2Y + 12Z = 14
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
a)(X,Y,Z)=(10,5,2)
b)(X,Y,Z)=(50,100,3)
c)(X,Y,Z)=(0,0,1)