3.3.1 - Substitution Method
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Practice Questions
Test your understanding with targeted questions
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.
If 2x + 3y = 12 and y = x - 2, find x and y.
💡 Hint: Substitute y into the first equation to solve for x.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the first step in the substitution method?
💡 Hint: Think about what you need to do to solve for one variable.
True or False: The substitution method can be used for any pair of linear equations.
💡 Hint: Consider the versatility of the substitution method.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
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.
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.
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