Math Problem Statement
Solution
Let's solve this system of linear equations using substitution.
We have the following two equations:
Step 1: Substitute from the first equation into the second equation.
From equation 1: Substitute this into equation 2: Simplify:
Step 2: Solve for .
Add to both sides:
Divide both sides by 5:
Step 3: Substitute back into the first equation to solve for .
From equation 1: Substitute :
Final Solution:
The solution is .
Would you like further details on any step? Here are some related questions to explore:
- What is the method of substitution in solving linear systems?
- How would the solution change if one of the equations were rearranged?
- What is the graphical interpretation of this solution?
- Can all linear systems be solved using substitution?
- How does substitution compare to the elimination method?
Tip: When using substitution, always simplify your expressions as much as possible before solving.
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Math Problem Analysis
Mathematical Concepts
Algebra
Systems of Equations
Substitution Method
Formulas
Substitute x from the first equation into the second
y = x - 2
Theorems
Method of Substitution for solving systems of linear equations
Suitable Grade Level
Grades 7-10
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