Question

ffind the values of a if x=2,y=1;in a solution of the equation 3x-y=9
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Answer 1

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Find the values of a if x=2,y=1;in a solution of the equation 3x-y=9

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$Firstly$

$Let's \: take \: the \: value \: y$

$3x-1=9$

$3x=9+1$

$\purple{x=\frac{10}{3} - - (1)}$

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Substituting the value of x

$3 \times \frac{10}{3}-y=9$

$10-9=y$

$\purple{y = 1}$

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Verification :

$3 \times \frac{10}{3}-1=9$

$10-1=9$

$\pink{9 = 9}$

Hence verified

[Hope this helps you... /]

Answer 2

Answer:

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