Glencoe Math: Course 2, Volume 1
GM
Glencoe Math: Course 2, Volume 1 View details
4. Proportional and Nonproportional Relationships
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Exercise 17 Page 40

Substitute 12 for x in the expression.

20

Practice makes perfect

To evaluate the given expression for x=12, we should substitute 12 for x in the given expression and then simplify.

2x-4
2( 12)-4
24-4
20