a) - 2 = + 1
b) = 3x + - 2
c) 6x - + 1=
d) - 1 =
a)
a) 3 /x-2 = 4/2x +1 3(2x+1)=4(x-2) 6x+3=4x-8 2x=-11 |2 x=-11/2=-5i 1/2 b) 2/3 = 3x+2/2x-2 2(2x-2)=3(3x+2) 4x-4=9x+6 -5x=10 | -5 x=-2 c) 6x-1/x+1= 2,3/1,2 1,2(6x-1)=2,3(x+1) 7,2x-1,2=2,3x+2,3 4,9x=3,5 | 4,9 x=5/7 d) -x/3x-1=2x/1-6x -x(1-6x)=2x(3x-1) -x+6xkwadrat=6xkwadrat-2x x=0
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3/x-2=2x+1 / *x
3-2x=4x+x
-7x=-3 / :-7
x=3/7
b) 2/3= 3x+2/2X-2 /*6
4=18x+6x-12
-24x=-16/:-24
x=2/3
c)6x-1/x+1=2,3/1,2 / *10x
120x-10+10=23/12x
120x-23/12x=0
118 1/23x=0 / :118 1/23x
x=0
d)-x/3x-1=2x/1-6x
-1/3-1=2x-6x
-4/3=-4x /:-4/3
x=3
3/x-2=2x+1 / *x
3-2x=4x+x
-7x=-3 / :-7
x=3/7
b) 2/3= 3x+2/2X-2 /*6
4=18x+6x-12
-24x=-16/:-24
x=2/3
c)6x-1/x+1=2,3/1,2 / *10x
120x-10+10=23/12x
120x-23/12x=0
118 1/23x=0 / :118 1/23x
x=0
d)-x/3x-1=2x/1-6x
-1/3-1=2x-6x
-4/3=-4x /:-4/3
x=3
myślę, że pomogłam ;)
a) - 2 = + 1
b) = 3x + - 2
c) 6x - + 1=
d) - 1 =
a)
a) 3 /x-2 = 4/2x +1
3(2x+1)=4(x-2)
6x+3=4x-8
2x=-11 |2
x=-11/2=-5i 1/2
b) 2/3 = 3x+2/2x-2
2(2x-2)=3(3x+2)
4x-4=9x+6
-5x=10 | -5
x=-2
c) 6x-1/x+1= 2,3/1,2
1,2(6x-1)=2,3(x+1)
7,2x-1,2=2,3x+2,3
4,9x=3,5 | 4,9
x=5/7
d) -x/3x-1=2x/1-6x
-x(1-6x)=2x(3x-1)
-x+6xkwadrat=6xkwadrat-2x
x=0