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2x=14
x=7
g)1/2c=3/*2
c=6
h)1/3x>1/*3
x>3
i)x-1=x/2+2/*2
2x-2=x+4
x=6
j)x-1<x/2/*2
2x-2<x
x<2
k) 3u/4=1/2 /*4
3u=2
u=2/3
l)2u/5>1/5/*5
2u>1
u>1/2
4x-5=2x+9
4x-2x=9+5
2x=14/:2
x=7
g)
1/2c=3/:1/2
c=6
h)
1/3x>1 /:1/3
x > 3
i)
x-1=x/2+2
x-1/2x=2+1
1/2x=3/:1/2
x=6
j)
x-1<x/2
x-1/2x < 1
1/2x < 1/:1/2
x <2
k)
3u/4=1/2 /*4
3u=2/:3
u=2/3
l)
2u/5>1/5 /*5
2u=1/:2
u=1/2
4x-5 = 2x+9
4x-2x = 9+5
2x = 14 |:2
x = 7
g)
1/2c = 3
0,5x = 3 |:0,5
c = 6
h)
1/3x > 1 |:1/3
x > 3
i)
x-1 = x/2+2
x-1 = 0,5x+2
x-0,5x = 2+1
0,5x = 3 |:0,5
x = 6
j)
x-1 < x/2
x-1 < 0,5x
x-0,5x < 1
0,5x < 1 |:0,5
x < 2
k)
3u/4 = 1/2 |*4
3u = 2 |:3
u = 2/3
l)
2u/5 > 1/5
0,4u > 0,2 |:0,4
u > 0,5