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Envision Math 2.0: Grade 6, Volume 1

EM

Envision Math 2.0: Grade 6, Volume 1 View details

1. Understand Equations and Solutions

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Exercise 11 Page 180

Substitute 8 into the given equation and then simplify.

False

Practice makes perfect

We can determine whether 8 is a solution by substituting it into the equation and simplifying using the order of operations.

152 ÷ n=21

n= 8

152 ÷ 8? =21

Divide by 8

19 ≠ 21

The equation is false for n=8.

Subchapter links

Do You Understand? p.180

Do You Know How? p.180

Practice & Problem Solving p.181-182

Assessment Practice p.182