You can put this solution on YOUR website! 0.1x+0.006y=0.5 x30 --> 3x + 0.18y = 15
0.3x -0.2y =3.4 x10 --> 3x - 2y = 34
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3x + 0.18y = 15
3x - 2y = 34
-------------------- Subtract
2.18y = -19
y = -950/109
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Sub for y to find x