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1 answer:

kompoz [17]2 years ago

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Answer:

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Step-by-step explanation:

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Step-by-step explanation:

Let,

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His brother ticket price = y

According to given statement;

x+y=12 Eqn 1

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Putting value of y from Eqn 2 in Eqn 1

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Dividing both sides by 2;

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Keywords: linear equation, substitution method

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