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Big Ideas Math Integrated I, 2016 View details

3. Postulates and Diagrams

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Exercise 36 Page 464

Use the Division Property of Equality to eliminate the multiplication.

Solution: x=7
Property: Division Property of Equality

Practice makes perfect

To solve the equation, we have to isolate x on one side. Using the Division Property of Equality, we will divide both sides of the equation by 3. This will eliminate the factor in front of the x-variable.

3x=21

DivEqn

.LHS /3.=.RHS /3.

3x/3=21/3

CalcQuot

Calculate quotient

x=7