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McGraw Hill Glencoe Algebra 1, 2012

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McGraw Hill Glencoe Algebra 1, 2012 View details

7. Inverse Linear Functions

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Exercise 60 Page 270

Use the Properties of Equality to isolate the variable.

p=21

Practice makes perfect

To solve the equation, we have to isolate p on one side. First, using the Multiplication Property of Equality, we will multiply both sides of the equation by 3. This will eliminate the denominator of the fraction.

2/3p=14

LHS * 3=RHS* 3

2/3p* 3=14* 3

CommutativePropMult

Commutative Property of Multiplication

2/3* 3* p=14* 3

FracMultDenomToNumber

a/3* 3 = a

2* p=14* 3

Multiply

2p=42

Now, we will use the Division Property of Equality to eliminate the coefficient.

2p=42

.LHS /2.=.RHS /2.

2p/2=42/2

a/a=1

p=42/2

Calculate quotient

p=21

p=21 is the solution to the equation.

Subchapter links

Check Your Understanding p.267

Practice and Problem Solving p.267-269

H.O.T. Problems p.269

Standardized Test Practice p.270

Spiral Review p.270

Skills Review p.270