Rozwiąż równania:
a) 3/x-2=4/2x+1
b)2/3=3x+2/2x-2
c)6x-1/x+1=2,3/1,2
d)-x/3x-1=2x/1-6x
Plissss, pomóżcie!
a)3/x-2=4/2x+1
2(2x+1)=4(x-2)
6x+3=4x-8
6x-4x=-8-3
2x=-11 /:2
x=-5,5
b) 2/3=3x+2/2x-2
3(3x+2)=2(2x-2)
9x+6=4x-4
9x-4x=-4-6
5x=-10 /:5
x=-2
2,3(x+1)=1,2(6x-1)
2,3x+2,3=7,2x-1,2 /*10
23x+23=72x-12
23x-72x=-12-23
-49x=-35 /:(-49)
x=35/49
x=5/7
-x(1-6x)=2x(3x-1)
x-6xdo potegi 2 = 6x do potęgi 2 - 2x
0=-3x
x=0
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a)3/x-2=4/2x+1
2(2x+1)=4(x-2)
6x+3=4x-8
6x-4x=-8-3
2x=-11 /:2
x=-5,5
b) 2/3=3x+2/2x-2
3(3x+2)=2(2x-2)
9x+6=4x-4
9x-4x=-4-6
5x=-10 /:5
x=-2
c)6x-1/x+1=2,3/1,2
2,3(x+1)=1,2(6x-1)
2,3x+2,3=7,2x-1,2 /*10
23x+23=72x-12
23x-72x=-12-23
-49x=-35 /:(-49)
x=35/49
x=5/7
d)-x/3x-1=2x/1-6x
-x(1-6x)=2x(3x-1)
x-6xdo potegi 2 = 6x do potęgi 2 - 2x
0=-3x
x=0