SOLUTION: 4. Solve the system of equations x + y = 5 x - y = -9

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Question 452981: 4. Solve the system of equations
x + y = 5
x - y = -9

Answer by mananth(16946)   (Show Source): You can put this solution on YOUR website!
x + y = 5
x - y = -9

add the two equations
2x=-4
x=-2
y=7

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