Pertanyaan

Jika maka nilai dari y x = ....

Jika maka nilai dari $\frac{x}{y}$ = ....

$begin mathsize 14px style fraction numerator straight a plus 2 over denominator straight b plus 2 end fraction end style$
$begin mathsize 14px style fraction numerator straight b plus 2 over denominator straight a plus 2 end fraction end style$
a + b + 4
b - 4

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Pembahasan

Dari kesamaan matriks di atas, diperoleh Perhatikan bahwa

Error converting from MathML to accessible text.

Dari kesamaan matriks di atas, diperoleh

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell 2 ax plus 3 straight x minus straight y end cell equals 10 row blank blank blank row cell negative straight x plus 2 by plus 3 straight y end cell equals 10 row blank blank blank row blank blank blank end table end style

Perhatikan bahwa

$begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell 2 ax plus 3 straight x minus straight y end cell equals cell negative straight x plus 2 by plus 3 straight y end cell row cell 2 ax plus 4 straight x end cell equals cell 2 by plus 4 straight y end cell row cell 2 straight x open parentheses straight a plus 2 close parentheses end cell equals cell 2 straight y open parentheses straight b plus 2 close parentheses end cell row cell fraction numerator 2 straight x over denominator 2 straight y end fraction end cell equals cell fraction numerator straight b plus 2 over denominator straight a plus 2 end fraction end cell row cell straight x over straight y end cell equals cell fraction numerator straight b plus 2 over denominator straight a plus 2 end fraction end cell row blank blank blank row blank blank blank end table end style$