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Envision Math 2.0: Grade 7, Volume 1

EM

Envision Math 2.0: Grade 7, Volume 1 View details

1. Write and Evaluate Algebraic Expressions

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Exercise 7 Page 192

Substitute 2 for n and 4 for p in the expression.

4

Practice makes perfect

To evaluate the given expression for n = 2 and p = 4, we should substitute these values into the expression and simplify as much as possible.

8.4n-3.2p

n= 2, p= 4

8.4( 2)-3.2( 4)

Multiply

16.8-12.8

Subtract term

4

Subchapter links

Do You Understand? p.192

Do You Know How? p.192

Practice & Problem Solving p.193-194

Assessment Practice p.194