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LaTiffa

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The 4x + 4y=11.80 comes from multiplying all the numbers by 2. But I did have the same question on why am I multiplying the second equation by -2 and my assumption is to cancel out x because we are only looking for the price of the crackers
The 4x + 4y=11.80 comes from multiplying all the numbers by 2. But I did have the same question on why am I multiplying the second equation by 2 and my assumption is to cancel out x because we are only looking for the price of the crackers

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