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Glencoe Math: Course 2, Volume 1

GM

Glencoe Math: Course 2, Volume 1 View details

2. Percent and Estimation

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Exercise 32 Page 118

Use the Division Property of Equality to eliminate the multiplication.

n=24

Practice makes perfect

We are given the following equation. 5n=120 To solve the equation, we have to isolate n on one side. Using the Division Property of Equality, we will divide both sides of the equation by 5. This will eliminate the coefficient on the left-hand side of the equation and isolate n. Let's do it!

5n=120

.LHS /5.=.RHS /5.

5n/5=120/5

CancelCommonFac

Cancel out common factors

5n/5=120/5

Simplify quotient

n=120/5

Calculate quotient

n=24

We found that n=24 is a solution to the equation.

Subchapter links

Guided Practice p.114

Independent Practice p.115-116

H.O.T. Problems p.116

Standardized Test Practice p.116-118

Extra Practice p.117

Common Core Review p.118