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Sagot :

Fionamillano29idn

SUBSTITUTION OF ALGEBRAIC EXPRESSIONS

1. Substitution - substitute the variable with its given value.

  [tex]\frac{5x}{3x - 9}[/tex] ; x = 4

  [tex]\frac{5(4)}{3(4) - 9}[/tex]

2. Calculation - solve the expression

 [tex]\frac{5(4)}{3(4) - 9}[/tex]

 [tex]\frac{20}{12 - 9}[/tex]

 = [tex]\frac{20}{3}[/tex] (improper fraction) or [tex]6\frac{2}{3}[/tex] (mixed fraction)

Answer:

[tex]\frac{20}{3}[/tex] or [tex]6\frac{2}{3}[/tex]

Answer:

\frac{20}{3}

3

20

Step-by-step explanation:

SUBSTITUTION OF ALGEBRAIC EXPRESSIONS

1. Substitution - substitute the variable with its given value.

\frac{5x}{3x - 9}

3x−9

5x

; x = 4

\frac{5(4)}{3(4) - 9}

3(4)−9

5(4)

2. Calculation - solve the expression

\frac{5(4)}{3(4) - 9}

3(4)−9

5(4)

\frac{20}{12 - 9}

12−9

20

= \frac{20}{3}

3

20

(improper fraction) or 6\frac{2}{3}6

3

2

(mixed fraction)

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