Algebra-1

Question Analysis
This question tests the student's ability to solve a system of linear equations using algebraic methods, such as substitution or elimination.

Key Concept Explanation
The solution to a system of equations is the point that satisfies all equations simultaneously. This can be found by solving the equations algebraically.

Step-by-step Solution
1. Use the elimination method to eliminate one variable. Multiply the first equation by 5 and the second equation by 4 to align the coefficients of : and .
2. Add the two equations: .
3. Simplify:

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