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2x-4
x=7 3/4
If x/2 +3 = 4 then x = 2
x/(x + 4) = 4/(x + 4) + 2 (x - 4)/(x + 4) = 2 x - 4 = 2x + 8 -x = 12 x = -12
4 + x = 2x --> 4 = 2x - x --> 4 = x: x = 4