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2/3 = (3*x)/4+3 // - (3*x)/4+3
2/3-((3*x)/4)-3 = 0
(-3/4)*x+2/3-3 = 0
-3/4*x-7/3 = 0 // + 7/3
-3/4*x = 7/3 // : -3/4
x = 7/3/(-3/4)
x = -28/9
x = -28/9
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