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a ) 2x-(1-4x)=2+(8x-5)
2x-2x-8x=16x-10
-8x-16x=-10
-24x=-10/(-24x)
x=2,4
b)
4-2(5-x)=x-4(x-1)
4-10-2x=x-4x-4
-2x-x+4x=-4+10
-x=6/(-1)
x=-6
c)
7-(2x+4)=(x+1)-(2x+4)
14x+28=x+1-2x+4
14x-x+2x=4+1-28
15x=-23/15
x=-1 i 8 dwudziestych trzecich
dalej juz mi sie nie chce, moze potem ;D
a)2x-(1-4x)=2+(8x-5)
2x-1+4x=2+8x-5
2x+4x-8x=-5+1
-2x=-4|:(-2)
x=2
b)4-2(5-x)=x-4(x-1)
4-10+2x=x-4x+4
2x-x+4x=4-4+10
5x=10|:5
x=2
c)7-(2x-4)=(x+1)-(2x+4)
7-2x+4=x+1-2x-4
-2x-x+2x=1-4-7-4
-x=-14|:(-1)
x=14
d)x+3-(4-x)=3x-(2x-3)
x+3-4+x=3x-2x+3
x+x-3x+2x=3-3+4
-x=4|:(-1)
x=-4