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Write an expression for a number 𝑦 increased by 12.
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In this problem, we have some plus some more.
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We know that we have more because of the phrase “increased by.”
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The some that we originally start with is 𝑦.
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We have 𝑦 amount that we start with.
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Some more increased by tells us that we need to use addition as our operation.
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We also know that the amount increased was 12.
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We started with some 𝑦 amount increased by 12.
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𝑦 plus 12 would be our expression.
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We represented an increase and some more by using the operation addition 𝑦 plus 12.