1x/0.2-0.27x+0.18/0.04=1

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1x/0.2-0.27x+0.18/0.04=1
1x/0.2-0.27x+0.18/0.04=1

1x/0.2-0.27x+0.18/0.04=1
0.1x/0.2-0.27x+0.18/0.04=1
(0.1/0.2-0.27)x=1-0.18/0.04
(0.5-0.27)x=1-4.5
0.23x=-3.5
x=-3.5/0.23
x=-15.2174

0.1x/0.2-0.27x+0.18/0.04=1
(0.1/0.2-0.27)x=1-0.18/0.04
(0.5-0.27)x=1-4.5
0.23x=-3.5
x=-3.5/0.23=-15.2174

-(0.23/3.5)