Solving an equation with multiple fractions ex 2, (–2/9)x - 4 = 7/18

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Mathematics
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9th - 10th Grade
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Hard
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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in solving equations with fractions according to the introduction?
Add all fractions together
Multiply by the least common denominator
Divide by the largest denominator
Subtract the smallest fraction
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the first method, why is it important to multiply all terms by the least common denominator?
To make the equation longer
To ensure equivalent equations are produced
To change the equation completely
To simplify the numerators
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of multiplying a number by its reciprocal?
Zero
A fraction
One
The original number
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you ensure all fractions have the same denominator in the second method?
Divide each fraction by the largest denominator
Multiply each fraction by a suitable number
Subtract the denominators
Add the numerators
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it unnecessary to multiply everything by 2/2 in the second method?
It does not change the value of the equation
It makes the equation more complex
It changes the value of the equation
It simplifies the equation
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the final solution for X in the given problem?
0
19.75
72
-19.75
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of using inverse operations in solving equations?
To eliminate variables
To verify the solution
To simplify the equation
To make the equation longer
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