jedna3x+1=5 3x+5=2x x=2x 4-x=1,3 -x-3=x-4 8,3-2x=0,5 jedna2x=jedna3x-1 jedna2-x=jedna2x jedna2x-jedna5x-jedna10x=2 POMOCY Z MATY
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sorry za jakosc;) licze na naj:)
1/3x +1= 5
1/3x = 5- 1
1/3x = 4 /: 1/3
x = 4 *3/1
x = 12
3x +5 = 2x
3x - 2x = -5
x = -5
4 -x = 1,3
-x = = 1,3 - 4
-x = -2,7 /*(-1)
x = 2,7
-x-3 =x -4
-x -x = -4 +3
-2x = -1 /:(-2)
x = 1/2
8,3 -2x = 0,5
-2x = 0,5 - 8,3
- 2x = -7,8 /:(-2)
x = 3,9
1/2x= 1/3x -1
1/2x - 1/3x = -1 /*6
3x -2x = -6
x = -6
1/2 -x = 1/2 x
-x - 1/2x = -1/2
- 1i1/2x = -1/2
-3/2 x = -1/2 /:(-3/2)
x = 1/2 *2/3
x = 2/6
x = 1/3
1/2x -1/5x-1/10x =2 /*10
5x - 2x -x = 20
2x = 20 /:2
x = 10