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Big Ideas Math: Modeling Real Life, Grade 6
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Big Ideas Math: Modeling Real Life, Grade 6 View details
4. Writing Equations in Two Variables
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Exercise 3 Page 270

Use the Multiplication Property of Equality to eliminate the division.

x=6

Practice makes perfect

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

4x/3=8
MultEqn

LHS * 3=RHS* 3

4x/3* 3=8* 3
FracMultDenomToNumber

a/3* 3 = a

4x=8* 3
Multiply

Multiply

4x=24

Now, we will use the Division Property of Equality to eliminate the multiplication and isolate x.

4x=24
DivEqn

.LHS /4.=.RHS /4.

4x/4=24/4
CrossCommonFac

Cross out common factors

4x/4=24/4
CancelCommonFac

Cancel out common factors

x=24/4
CalcQuot

Calculate quotient

x=6
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arrow_right Try It p.266-268
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Try It 2 (Page 266)
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