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0 = (13/3)*x-3 // - (13/3)*x-3
0-((13/3)*x)+3 = 0
(-13/3)*x+0+3 = 0
3-13/3*x = 0 // - 3
-13/3*x = -3 // : -13/3
x = -3/(-13/3)
x = 9/13
x = 9/13
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