x-2 sobre 3 +2 sobre 1=5x sobre 2
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x-2/3+2/1=5x/2
2(x-2)/6+6.2/6=3.5x/6
2x-4/6+12/6=15x/6
2x-4+12=15x
2x+8=15x
2x-15x=0-8
-13x=-8
13x=8
x=8/13
2(x-2)/6+6.2/6=3.5x/6
2x-4/6+12/6=15x/6
2x-4+12=15x
2x+8=15x
2x-15x=0-8
-13x=-8
13x=8
x=8/13
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