Glencoe Math: Course 2, Volume 2
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Glencoe Math: Course 2, Volume 2 View details
5. Simplify Algebraic Expressions
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Exercise 38 Page 394

Substitute 4 for z in the expression.

10

Practice makes perfect
Let's consider the given expression. 5 z-10 To evaluate the expression for z= 4, we need to substitute 4 for z in the expression and then simplify.
5z-10
5( 4)-10
20-10
10