Math Problem Statement
solve each system by elimination
4x - 3y = -2 4x + 5y = 14
Solution
To solve the system of equations by elimination, we want to eliminate one variable. Here are the steps:
System of equations:
Step 1: Eliminate
Both equations have the same , so we can subtract one equation from the other to eliminate .
Subtract equation 1 from equation 2:
Step 2: Solve for
Step 3: Substitute into one of the original equations
Substitute into equation 1:
Solution:
The solution to the system is and .
Would you like further details on any step or have any questions?
Here are 5 related questions:
- How do you solve a system using substitution instead of elimination?
- Can this system be solved graphically? What does the graph look like?
- What happens if both equations have the same coefficients for instead of ?
- Can you explain how to check the solution by plugging the values into both equations?
- What are the possible outcomes when solving systems of equations (one solution, no solution, infinite solutions)?
Tip: Always simplify equations or expressions as much as possible before solving; it reduces the chance of errors!
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Math Problem Analysis
Mathematical Concepts
Algebra
Systems of Equations
Elimination Method
Formulas
Elimination Method for solving systems of linear equations
Theorems
Basic theorem of linear systems: A system of two linear equations can have one solution, no solution, or infinitely many solutions.
Suitable Grade Level
Grades 8-10
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