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--------- + -------- = ----
2 3 6
6x - 3 + 2 11
-------------- = -----
6 6
6x - 1 = 11
6x = 12
x = 2
.................................................
2x 4 - 1 6
----- + -------- = ----
5 10 5
20x + 15 6
------------- = ----
50 5
20x + 15 = 60
20x = 45
x = 9/4