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D ik e t ah u i x , y , d an z m er u p akan an gg o t a him p u nan d a r i s i s t e m p e n ye l es aian : x 3 ​ − y 4 ​ + z 6 ​ = 1 x 9 ​ − y 8 ​ + z 12 ​ = 3 x 9 ​ − y 4 ​ + z 12 ​ = 4 N i l ai x , y d an z b er u r u tan a d a l ah … + 3 m u .

  1. 1,3,5

  2. 2,4,5

  3. 3,4,6

  4. 4,3,6

  5. 5,6,3

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begin mathsize 12px style M i s a l k a n colon 1 over x equals p 1 over y equals q 1 over z equals r 3 p minus 4 q plus 6 r equals 1 space............... left parenthesis 1 right parenthesis 9 p plus 8 q minus 12 r equals 3 space............... left parenthesis 2 right parenthesis 9 p minus 4 q plus 12 r equals 4 space............... left parenthesis 4 right parenthesis E l i m i n a s i space p e r s a m a a n space left parenthesis 1 right parenthesis space d a n space left parenthesis 2 right parenthesis 3 p minus 4 q plus 6 r equals 1 space space space open vertical bar cross times 3 close vertical bar 9 p minus 12 q plus 18 r equals 3 9 p plus 8 q minus 12 r equals 3 open vertical bar cross times 1 close vertical bar 9 p plus 8 q minus 12 r equals 3 space space space space space space _ top enclose space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space minus 20 q plus 30 r equals 0 end enclose space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space 30 r equals 20 p space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space r equals 2 over 3 q S u b s i t u s i k a n space space r equals 2 over 3 q space 12 q minus 24 open parentheses 2 over 3 q close parentheses equals negative 1 12 q minus 16 q equals negative 1 minus 4 q equals negative 1 q equals 1 fourth r equals 2 over 3 q space space equals 2 over 3 open parentheses 1 fourth close parentheses space space equals 1 over 6 S u b s i t u s i k a n space k e space p e r s a m a a n space left parenthesis 1 right parenthesis colon 3 p minus 4 open parentheses 1 fourth close parentheses plus 6 open parentheses 1 over 6 close parentheses equals 1 3 p minus 1 plus 1 equals 1 3 p equals 1 p equals 1 third M a k a colon 1 over x equals 1 third rightwards arrow x equals 3 1 over y equals 1 fourth rightwards arrow y equals 4 1 over z equals 1 over 6 rightwards arrow z equals 6 end style

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