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(2/3)*x+1/9 = 7*x-103/99 // - 7*x-103/99
(2/3)*x-(7*x)+1/9-(-103/99) = 0
(2/3)*x-7*x+1/9+103/99 = 0
38/33-19/3*x = 0 // - 38/33
-19/3*x = -38/33 // : -19/3
x = -38/33/(-19/3)
x = 2/11
x = 2/11
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