Math Problem Statement
Solution
Let's solve the given system of equations using substitution. The system is:
-2x + y = -3 \tag{1} 5x - 3y = 5 \tag{2}
Step 1: Solve one equation for one variable
From equation (1), we can solve for in terms of :
y = 2x - 3 \tag{3}
Step 2: Substitute into the second equation
Now, substitute equation (3) into equation (2):
Step 3: Simplify and solve for
Expand the equation:
Combine like terms:
Subtract 9 from both sides:
Solve for :
Step 4: Substitute into the expression for
Substitute into equation (3):
Final Solution:
The solution to the system is:
Would you like more details or have any further questions?
Here are 5 related questions to expand on this topic:
- Can you solve the same system using the elimination method?
- How does substitution differ from elimination in terms of strategy?
- What happens if the system of equations has no solution or infinitely many solutions?
- Can substitution be used for non-linear systems? If so, how?
- How can you check if your solution is correct for any system of equations?
Tip: After solving a system, always substitute the values back into the original equations to verify your solution.
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Math Problem Analysis
Mathematical Concepts
Linear Equations
Substitution Method
Systems of Equations
Formulas
y = 2x - 3
-2x + y = -3
5x - 3y = 5
Theorems
Substitution Method for solving systems of linear equations
Suitable Grade Level
Grades 8-10
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