SOLUTION: Need help with the problem below.Thanks in advance. Systems of Equations Solve the following problems for X and Y in these two system equations, and for X and Y and Z, in these

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Question 330485: Need help with the problem below.Thanks in advance.
Systems of Equations
Solve the following problems for X and Y in these two system equations, and for X and Y and Z, in these three system equations.
X+10Y+Z=52.....5X+Y+4Z=15.....X+2y-3Z=12..... X=? Y=? Z=?

Answer by Fombitz(32388)   (Show Source): You can put this solution on YOUR website!
[A][x]=[b]
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[A]=
[b]=
.
.
.
det[A]=
.
.
.
[A]inv=
.
.
.
[x]=[A]inv[b]=

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