Rozwiąż
3x+4=1/2x-5
2/3x -1 = -3/4x+4
1 1/7x -3=13-1/8x
x+4/7= 28
-3x-2/4= x+1/6
x-5/3 + 2=6
4/9x +8=7- 2/3x
5+x= 2x-3/4
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1
3x+4=1/2x-5 +5
3x+9=1/2x -9
3x=1/2x-9 -1/2x
2,5x=-9 *2
5x=-18 /5
x=-3,6
2
2/3x -1 = -3/4x+4 +3/4x
17/12x-1=4 +1
17/12x=5 *12/17
x=3 i 9/17
3
1 1/7x -3=13-1/8x +3
1 1/7x=13-1/8x +1/8x
71/56x=13 *56/71
x=10 i 18/71
4
x+4/7= 28 -4/7
x=28-4/7
x=27 i 3/7
5
-3x-2/4= x+1/6 +3x
-2/4=4x+1/6 +2/4
0=4x+16/24 -16/24
-16/24=4x /4
16/96=x
6
x-5/3 + 2=6 -6
x-5/3-4=0
x-17/3=0 +17/3
x=17/3
7
4/9x +8=7- 2/3x +2/3x
10/9x+8=7 -8
10/9x=-1 *9/10
x=-9/10
8
5+x= 2x-3/4 +3/4
23/4+x=2x -x
23/4=x
5i3/4=x
3x+4=7x łatwa algebra :D