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Business Math

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Solve for x,y,z in:

3x-y-z= -1/2

2x+y+4z=0

4x+3y+5z=6

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Adding Eqn1 & eqn2 we have : 5x +3z = -1/2--------Eqn a
<br>Adding Eqn3 & 3* Eqn 1 we have : 13x + ...

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