Proszę o pomoc: -1/2 (-x-6) = -x
-1/2 (-x-6) = -x
1/2x+3+x=0
1 1/2x=-3 /:1 1/2
x=-2
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-1/2 (-x-6) = -x
1/2x+3+x=0
1 1/2x=-3 /:1 1/2
x=-2