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1/2x-x=-6+4
-1/2x=-2/:(-1/2)
x=4
x-5=1/3x+1
x-1/3x=1+5
2/3x=6/:2/3
x=9
x/4-1/4=2/*4
x-1=8
x=8-1
x=7
x/5-3=x+1/5/*5
x-15=5x+1
x-5x=1+15
-4x=16/:(-4)
x=-4
5/6(x-1)=4
5/6x-5/6=4
5/6x=4+5/6
5/6x=4 i 5/6/:5/6
x=29/5=5 i 4/5
-1/2(-x-6)=-x
1/2x+3=-x
1/2x+x=-3
1 i 1/2x=-3/:1 i 1/2
x=-2
Nie wiem czy jest dobrze.
Myślę, że pomogłam.
Pozdro.