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x-x = 1-5-2×3
-x = -6×3
-x = -18 | / (-1)
x = 18
c) x+1/6-2>x/3+x
x-x-x>-1×-6+2/3
-2x>-6+2/3
-2x>-4/3
-2x>-1⅓ | (-1)
2x<1⅓ | /2
x<⅔
d) 2,6 -0,03x = 0,1x
-0,03x-0,1x = -2,6
-0,07x = -2,6 | / (-1)
0,07x = 2,6 |/ 0,07
x= 37,(142857)
x = 37,1
e) 2x-3/2<-x-3/8
2x+x<3×2-3/8
3x<6-3/8
3x<3/8
3x<0,375 |/3
x<0,125
f)1+1/x<2
2/3<2 | -2
x<0