Missing digit

If 4x/6x + 5/17 = 1, what digit does the x represents

Correct result:

x =  8

Solution:

4x/6x+5/17=1 (4⋅ 10+x)/(6⋅ 10+x)+5/17=1   (4⋅ 10+x)+5/17⋅ (6⋅ 10+x)=1⋅ (6⋅ 10+x)  5x=40  x=8

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