Jan K. answered 09/01/15
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1/2x+-5/3=-1/2x+19/4
Move all the x terms to 1 side
1/2x + 1/2x -5/3 = 19/4
x = 19/4 + 5/3
Get a common demoninator
x = 57/12 + 20/12
x = 77/12