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Envision Math 2.0: Grade 6, Volume 1

EM

Envision Math 2.0: Grade 6, Volume 1 View details

3. Write and Solve Addition and Subtraction Equations

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Exercise 6 Page 192

Use the Addition Property of Equality to isolate y on the right-hand side of the equation.

y=23

Practice makes perfect

To solve the equation, we have to isolate y on one side. Here, we can use the Addition Property of Equality and add 11 to both sides of the equation. Let's do it!

12=y-11

LHS+ 11=RHS+ 11

12+ 11=y-11+ 11

Add terms

23=y

Rearrange equation

y=23

Subchapter links

Do You Understand? p.192

Do You Know How? p.192

Practice & Problem Solving p.193-194

Assessment Practice p.194