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

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Question 491397: Solve the system of equations
x + y = 5
x - y = -9
Answer by ptth176(50) About Me  (Show Source):
You can put this solution on YOUR website!
x + y = 5(1)
x - y = -9(2)
(1)+(2)=>2x=-4>x=-2
(1)=>-2+y=5=>y=7
Finally:x=-2;y=7