sel2.

2.

1

4

2

4

A student tries to solve the equation

X + 2

1

1

=

=

1

X

x + 2

+

ni

=

let

X + 2 х X + 2

4

х 2 X+2 1 х

X + 2 X X X + 2 x+ 2 x

4x – 2(x + 2) х

x(x + 2) x(x + 2)

4x – 2x + 4 х

x(x + 2) x(x + 2)

2x + 4 х

x(x + 2) x(x + 2)

2x – 4 = x

x=4

pte

Describe a more efficient way to solve the equation. Choose the correct answer below.

O A. The given solution is the easiest way of solving the equation.

O B. Make all of the denominators equal to x + 2. Then solve the equation.

O C. Find the LCD of all fractions. Multiply both sides of the equation by the LCD to obtain a simpler equation. Then solve the simpler equation.

O D. Find the GCF of all denominators. Multiply both sides of the equation by the GCF to obtain a simpler equation. Then solve the simpler equation.

Click to select your answer.

MAY

16

25

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19

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