Question

for simultaneous equation in variable x and y Dx = 55 , Dy = 44, D = 11 then what is y​

Answer 1

Answer:

I can give the answer but it would take some time

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Answer 2

Given :-

• Simultaneous equation in variable x and y .

• Dx = 55 , Dy = 44 , D = 11

To Find :-

• Value of x and y .

Solution :-

According to Cramer's rules,

${\mathrm \red{x = \frac{D}{Dx} }} \: \: \: \: \: \: \: \: \rm \green{ Or }\: \: \: \: \: \blue{y = \frac{D}{Dy} }$

[ Putting values ]

$\implies \: {\mathrm {x = \frac{11}{55} }} \: \: \: \: \: \: \: \: \rm { Or }\: \: \: \: \: \: \: {y = \frac{11}{44} }$

$\implies \rm \: x = \cancel\frac{ 11}{55} \: \: \: \: \: \: \: \: \: Or \: \: \: \: \: \: \: \: \: \: y = \cancel\frac{11}{44}$

$\implies \rm \: x = \frac{1}{5} \: \: \: \: \: \: \: \: Or \: \: \: \: \: \: \: \: y = \frac{1}{4}$

Hence,

$\huge\rm \:{ \boxed{ \rm{ \orange{( x,y) = ( \frac{1}{5} , \frac{1}{4} )}}}}$