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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 11 Page 205

Use the Division Property of Equality to eliminate the multiplication.

x = 22.3

Practice makes perfect

To solve the equation, we have to isolate x on one side. Let's use the Division Property of Equality and divide both sides of the equation by 1.8. This will eliminate the multiplication and isolate x.

1.8x = 40.14

.LHS / 1.8.=.RHS / 1.8.

1.8x/1.8 = 40.14/1.8

MovePartNumLeft

a* b/c=a*b/c

1.8 * x/1.8 = 40.14/1.8

DenomMultFracToNumber

1.8 * a/1.8= a

x = 40.14/1.8

Calculate quotient

x = 22.3

Subchapter links

Do You Understand? p.205

Do You Know How? p.205

Assessment Practice p.208