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Glencoe Math: Course 2, Volume 2 View details

1. Algebraic Expressions

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Exercise 23 Page 355

Substitute - 1 for g and 4 for f in the expression.

- 12

Practice makes perfect

Let's consider the given expression. 8 g- f To evaluate the expression for g = - 1 and f = 4, we need to substitute these values into the expression and simplify as much as possible.

8g-f

SubstituteII

g= - 1, f= 4

8( - 1)- 4

MultPosNeg

a(- b)=- a * b

- 8(1)-4

IdPropMult

Identity Property of Multiplication

- 8-4

DiffToSum

a-b = a+(- b)