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Unformatted text preview: for a variable in an equation? Explain your answer. Write a mathematical phrase or sentence for your classmates to translate. Translate your classmates’ phrases or sentences and explain what clues indicate that the problems are either expressions or equations. An equation is a mathematical thing in which there are 2 “sides” that are set equal to each other. On the other hand, an expression is just one side and has just some mathematical phrases in it. Equation: 2x + 3 = 7 Expression: 7x - 2x + 2 You can solve for a variable in an equation because since there is equality, you can use mathematical operations to position that equality in such a way that the variable is on one side. Example: 2 more than 2 times of a number all together divided by 3 Answer: (2+ 2x)/3...
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- Spring '09
- Math, Expression