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Envision Math 2.0: Grade 6, Volume 1

EM

Envision Math 2.0: Grade 6, Volume 1 View details

5. Write and Solve Equations with Rational Numbers

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Exercise 17 Page 206

Use the Subtraction Property of Equality to isolate k on the left-hand side of the equation.

k=13.22

Practice makes perfect

To solve the equation, we have to isolate k on one side. Let's use the Subtraction Property of Equality and subtract 48.55 from both sides of the equation. 48.55+k &= 61.77 48.55+k-48.55 &= 61.77-48.55 k &=Now, let's perform the subtraction to find the value of k.

48.55+k-48.55=61.77-48.55

CommutativePropAdd

Commutative Property of Addition

k+48.55-48.55=61.77-48.55

Subtract terms

k=13.22

The value of k is 13.22. 48.55+k &= 61.77 48.55+k-48.55 &= 61.77-48.55 k &= 13.22

Subchapter links

Do You Understand? p.205

Do You Know How? p.205

Assessment Practice p.208