rozwiąż równia w linku jest ich 5 ;)
http://tinypic.com/view.php?pic=2ahf5md&s=6
w załącznikach rozwiazanie ;)
1.
x-3/3=1/*3
3(x-3)/3=3
x-3=3
x=6
2.
5(5-x)-4x=18
25-5x-4x=18
-9x=-7/:(-9)
x=7/9
3.
3-4x/3=2(x-2) /*3
3(3-4x)/3=3(2x-4)
3-4x=6x-12
-10x=-15/:(-10)
x=15/10=3/2
4.
4x-3=2x-1-x-3/6 /*6
24x-18=12x-6-x+3
24x-12x+x=-6+3+18
13x=15 /:13
x=15/13
5.
3x-1/3+2x+1/2=x-1/2
2(3x-1)/6+3(2x+1)/6=3(x-1)/6
6x-2+6x+3=3x-3
9x=-4/:9
x=-4/9
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w załącznikach rozwiazanie ;)
1.
x-3/3=1/*3
3(x-3)/3=3
x-3=3
x=6
2.
5(5-x)-4x=18
25-5x-4x=18
-9x=-7/:(-9)
x=7/9
3.
3-4x/3=2(x-2) /*3
3(3-4x)/3=3(2x-4)
3-4x=6x-12
-10x=-15/:(-10)
x=15/10=3/2
4.
4x-3=2x-1-x-3/6 /*6
24x-18=12x-6-x+3
24x-12x+x=-6+3+18
13x=15 /:13
x=15/13
5.
3x-1/3+2x+1/2=x-1/2
2(3x-1)/6+3(2x+1)/6=3(x-1)/6
6x-2+6x+3=3x-3
9x=-4/:9
x=-4/9