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Define a variable and write an equation for each real-world problem. 1] Matt spent $ 6.50 on his lunch. This is $2.25 more than his friend Jackson spent on his lunch. How much did Jackson spend on his
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Define a variable and write an equation for each real-world problem. 1] Matt spent $ 6.50 on his lunch. This is $2.25 more than his friend Jackson spent on his lunch. How much did Jackson spend on his lunch?

User Andris Krauze
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M will represent Matt and J is Jackson.  M-2.25=J. You minus the difference between them and show that it equals to Jacksons. A variable is a number in math that can vary.
User Gyscos
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