I needs help

What is 3 1/2x-2/3+-1/4x+1 1/2+'-1 3/4x+5/6+4x

3 1/2x-2/3+(-1/4x)+1 1/2+(-1 3/4x)+5/6+4x ist ein Term.

$3\frac{1}{2}x-\frac{2}{3}-\frac{1}{4}x+1\frac{1}{2}-1\frac{3}{4}x+\frac{5}{6}+4x$ 

$=\frac{14-1-7+16}{4}x+\frac{9-4+5}{6}$

$=5\frac{1}{2}x+1\frac{2}{3}$

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