Math  /  Algebra

QuestionSolve the system of equations by graphing. {x+y=9xy=5\left\{\begin{array}{l} x+y=9 \\ x-y=5 \end{array}\right.
Use the graphing tool to graph the system. \qquad

Studdy Solution
Verify the solution by substituting x=7x = 7 and y=2y = 2 back into the original equations.
First equation: 7+2=9(True)7 + 2 = 9 \quad \text{(True)}
Second equation: 72=5(True)7 - 2 = 5 \quad \text{(True)}
Both equations are satisfied.
Solution: The solution to the system of equations is (7,2)(7, 2).

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