Math Problem Statement
2x+3y=6and4x−3y=12 find x and y
Solution
We are given the system of equations:
Step 1: Add the two equations to eliminate
We can add the two equations because the -terms will cancel out due to opposite signs:
Simplifying:
Step 2: Solve for
Now, divide both sides by 6:
Step 3: Substitute into one of the original equations
We can substitute into the first equation:
Simplify:
Step 4: Solve for
Now subtract 6 from both sides:
Finally, divide by 3:
Final Solution:
The solution to the system of equations is:
Would you like any further details or explanations? Here are 5 related questions you could explore:
- How would you solve the system if the coefficients of didn't cancel out?
- Can this system be solved using substitution? How?
- How can graphing the two equations help verify the solution?
- What happens if we multiply both equations by different constants and then solve?
- How can you check if the solution satisfies both original equations?
Tip: In systems of equations, always look for ways to eliminate one variable using addition or substitution.
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Math Problem Analysis
Mathematical Concepts
Algebra
Systems of Linear Equations
Addition Method (Elimination)
Formulas
Linear equation: ax + by = c
Theorems
Addition/Elimination Method
Suitable Grade Level
Grades 8-10
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