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x/3 +1 = 5/6 + x/2 / *6
2x+6 = 5 + 3x /- 3x
-x +6 =5 / -6
-x=-1
x=1
(2x-3) /4 = 1/2 +x / *4
2x-3 = 2+4x
-2x=5
x= -2,5
c)(x+2)/9 + (x-1)/3 = 1 /*9
x+2 + 3x-3 = 9
4x-1=9
4x=10
x= 10/4
d)(2x+3)/5 = (2-x)/3 +x /*15
6x+9=10-5x +15x
6x+9=10+20x
-14x=1
x=-1/14