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Algebraic Expressions - Carl Schurz High School

Sep 06, 2015 · Algebra involves the use of ‘pronumerals’ as well as numbers. A pronumeral is usually a letter, such as x, that takes the place of a number in an expression like 3 x + 7. If a number is substituted for each pronumeral, a value for the expression can then be obtained. Evaluate the following expressions if x = 3, y = 4 and z = 8. a x + y b 3x ...

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