What is the main idea behind the substitution method in solving equations?
Using substitution to solve the system

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Mathematics
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11th Grade - University
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Hard
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Substituting a variable with its expression from another equation
Solving equations without any variables
Eliminating all variables from the equation
Replacing a variable with a constant
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it important to have a variable isolated before performing substitution?
It is not necessary to isolate a variable
It helps in eliminating the variable
It allows for easier substitution into another equation
It makes the equation longer
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What operation is used to simplify the equation after substitution?
Addition
Division
Subtraction
Distributive property
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
After finding the value of X, what is the next step in solving the system of equations?
Checking the solution
Rewriting the equations
Finding the corresponding Y value
Graphing the equations
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the final solution of the system of equations in terms of coordinates?
X = 1, Y = 5
X = -1, Y = 5
X = -1, Y = -5
X = 1, Y = -5
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