57x-49y=499,49x-57y=501
Solve the simultaneous equation
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step by step explanation
100x + 100y =1000
10(x+y)=10
x+y =10
-49x+51y=499
2x-2y=2
x-y=1
2x=11
11/2=y=1
(2/11-1)=y
(11/2-2)=y
x=11/2
y=9/2
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