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Systems of Three Equations Cramers Rule - Kuta Software

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9)<br />

36x<br />

− 6y<br />

+ 6z<br />

= −1<br />

12x<br />

+ 6z<br />

= −3<br />

18x<br />

− 6y<br />

+ 6z<br />

= −1<br />

11) −3z<br />

= 6<br />

2x<br />

+ y − 2z<br />

= 6<br />

−6x<br />

− 3y<br />

= −6<br />

13)<br />

15)<br />

−6x<br />

− y + z = −7<br />

4z<br />

= −6<br />

4x<br />

− 24y<br />

+ 24z<br />

= 17<br />

5x<br />

+ 5y<br />

+ 30z<br />

= 24<br />

5x<br />

− 5y<br />

− 20z<br />

= −11<br />

−4y<br />

+ 10z<br />

= 1<br />

-2-<br />

©F j2A0Y1l2U ZKbujtKah WSDozfvt0wNafrqeO NLSLqCX.j E CAblelR YrUiQgghftds3 Trcehs2edrGvVeydY.Z T RM0aNdqe7 Xwdiqt4ht vIonGfjimn6iAtteJ UAtlBggeiburvaC Y2q.p Worksheet by <strong>Kuta</strong> S<strong>of</strong>tware LLC<br />

10)<br />

12)<br />

14)<br />

16)<br />

−2x<br />

+ y − 4z<br />

= 4<br />

5x<br />

− 2y<br />

= 18<br />

x − 5z<br />

= 17<br />

6y<br />

+ 6z<br />

= −30<br />

4x<br />

− 6y<br />

− 3z<br />

= 26<br />

x + y + z = −3<br />

3x<br />

+ 6y<br />

= −4<br />

x + y − z = −2<br />

9x<br />

− 12y<br />

+ 15z<br />

= 28<br />

3x<br />

− 1 = 3z<br />

4 = 6y<br />

− 3z<br />

− 3x<br />

−2x<br />

+ 6z<br />

= 10y<br />

− 7

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