Question

please answer this question ​

Answer 1

Answer:

x=9

y=6

Check your answer:

(9)-(6)=3

9-6=3

3=3 Correct

(9/3)+(6/2)=6

3+3=6

6=6 Correct

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Answer 2

$\sf{\bold{\green{\underline{\underline{Given}}}}}$

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• x - y = 3
• $\sf {\bold{\dfrac{x}{3} + \dfrac{y}{3} = 6 }}$

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$\sf{\bold{\green{\underline{\underline{To\:Find}}}}}$

• Value of x and y = ??

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$\sf{\bold{\green{\underline{\underline{Solution}}}}}$

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x - y = 3 ---- ( i )

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$\sf : \implies\: {\bold{ \dfrac{x}{3} + \dfrac{y}{2} = 6 }}$

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$\sf : \implies\: {\bold{ \dfrac{2x + 3y}{6} = 6 }}$

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$\sf : \implies\: {\bold{ 2x + 3y = 6\times 6 }}$

$\sf : \implies\: {\bold{ 2x + 3y = 36 }}$ ---- ( ii )

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• Multiply eq ( i ) by 3

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( x - y = 3 ) × 3

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3x - 3y = 9 ---- ( iii )

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• Adding eq ( ii ) and ( iii )

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2x + 3y + 3x - 3y = 9 + 36

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2x + 3x = 9 + 36

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5x = 45

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x = 45 / 5

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x = 9

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• putting value of x in eq ( i )

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x - y = 3

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9 - y = 3

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- y = 3- 9

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- y = -6

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y = 6

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$\sf{\bold{\green{\underline{\underline{Answer}}}}}$

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• Value of x = 9
• Value of y = 6