Solve the following system of equations by elimination method:
x + y = 5
2x – 3y = 4
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(x+y=5)×2
(2x-3y=4)×1
2x+2y=10
2x-3y=4
(-)(+) (-)
sub 5y=6
y=5/6
x+y=5
x+5/6=5
x=5 -5/6
x=30-5/6
x=25/6
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