Answers

2014-04-07T14:22:32+01:00
2x + 3y=1...........1
5x+ 7y=3............2
by elimination method
multiply 1 by 5 and 2 by 2
it then gives us
10x+15y=5
10x+14y=6
subtracting 1 from 2 gives
y=-1
then 2x+3(-1)=1
2x=4
x=2
x=2, y=-1
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