Math Problem Statement
solve systems with elimination 2x+ 2y = 6 3x - 5 = y
Solution
Let's solve the system of equations using the elimination method. The given system is:
Step 1: Substitute the expression for from equation (2) into equation (1)
From equation (2), we have:
Substitute this into equation (1):
Step 2: Simplify the equation
Now, simplify the expression:
Step 3: Solve for
Add 10 to both sides:
Now, divide both sides by 8:
Step 4: Solve for
Now that we have , substitute this back into equation (2) to find :
Final Solution:
The solution to the system of equations is:
Would you like more details on the solution process, or do you have any questions?
Here are some related questions you can explore:
- How do you use substitution to solve a system of equations?
- What happens if the system of equations has no solution?
- How do you solve a system of equations with three variables?
- What are the differences between the elimination method and substitution method?
- Can you solve a system of equations that has infinitely many solutions?
Tip: Always check your solution by substituting the values of and back into the original equations!
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Math Problem Analysis
Mathematical Concepts
Algebra
Systems of Equations
Substitution Method
Elimination Method
Formulas
Standard linear equation form: ax + by = c
Theorems
Consistency and solutions of linear systems
Suitable Grade Level
Grades 8-10
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