Pertanyaan

( 2 6 c 8 − 6 c − 2 8 ) = ( 2 a − 4 2 b 8 − 6 3 c 8 ) Tentukan nilai a , b , dan c !

$(2 6 c 8 - 6 c - 2 8) = (2 a - 4 2 b 8 - 6 3 c 8)$

Tentukan nilai $a, b, dan c$ !

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Jawaban terverifikasi

Jawaban

nilai .

nilai

a equals 3 comma thin space b equals negative 3 comma thin space c equals negative 1

Pembahasan

Mencari nilai : Mencari nilai : Mencari nilai : Jadi, nilai .

Mencari nilai :

$table attributes columnalign right center left columnspacing 0px end attributes row 2 equals cell 2 a minus 4 end cell row cell 2 a minus 4 end cell equals 2 row cell 2 a minus 4 plus 4 end cell equals cell 2 plus 4 end cell row cell 2 a end cell equals 6 row cell fraction numerator 2 a over denominator 2 end fraction end cell equals cell 6 over 2 end cell row a equals 3 end table$

Mencari nilai :

$table attributes columnalign right center left columnspacing 0px end attributes row cell c minus 2 end cell equals cell 3 c end cell row cell c minus 2 plus 2 end cell equals cell 3 c plus 2 end cell row c equals cell 3 c plus 2 end cell row cell c minus 3 c end cell equals cell 3 c plus 2 minus 3 c end cell row cell negative 2 c end cell equals 2 row cell fraction numerator negative 2 c over denominator negative 2 end fraction end cell equals cell fraction numerator 2 over denominator negative 2 end fraction end cell row c equals cell negative 1 end cell end table$

Mencari nilai :

$table attributes columnalign right center left columnspacing 0px end attributes row cell 6 c end cell equals cell 2 b end cell row cell 6 open parentheses negative 1 close parentheses end cell equals cell 2 b end cell row cell negative 6 end cell equals cell 2 b end cell row cell 2 b end cell equals cell negative 6 end cell row b equals cell fraction numerator negative 6 over denominator 2 end fraction end cell row b equals cell negative 3 end cell row blank blank blank end table$

Jadi, nilai a equals 3 comma thin space b equals negative 3 comma thin space c equals negative 1 .