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35x-35 * 5/7 = 35 * 3/5
35x - 25=21
35x=36
x=36/35
x/3=x+5/2|*6
2x=6x+15
-4x=15
x= - 15/4
4/x+6=5/7+x
4/x * x=5/7-6
4x/x=-35/7
x=3/5+5/7|*35
35x=46|*35
x=1i11/35
2)x/3=x+5/2|*6
2x=6x+15
-4x=15|:(-4)
x=-3i3/4