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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Solve the pair of equations: x + y = 10 and x - y = 4.
💡 Hint: Isolate x or y in one equation and substitute into the other.
Question 2
Easy
If 2x + 3y = 12 and y = x - 2, find x and y.
💡 Hint: Substitute y into the first equation to solve for x.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is the first step in the substitution method?
- Isolate a variable
- Multiply equations
- Combine like terms
💡 Hint: Think about what you need to do to solve for one variable.
Question 2
True or False: The substitution method can be used for any pair of linear equations.
- True
- False
💡 Hint: Consider the versatility of the substitution method.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Two numbers differ by 6, and their product is 72. Use substitution to find both numbers.
💡 Hint: Express one variable in terms of the other based on their difference.
Question 2
The sum of ages of three friends is 60. If one friend is twice as old as another and the third friend is 5 years older than the youngest, find their ages.
💡 Hint: Set up equations based on given relationships and substitute accordingly.
Challenge and get performance evaluation