Rozwiąż:-9z-7=-z-6 na dziś plis
-9z-7=-z-6-9z+z=-6+7-8z=1 | : (-8) z= -1/8
-9z-7=-z-6
-9z+z=-6+7
-8z=1 / :(-8)
z=-1/8
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-9z-7=-z-6
-9z+z=-6+7
-8z=1 | : (-8)
z= -1/8
-9z-7=-z-6
-9z+z=-6+7
-8z=1 / :(-8)
z=-1/8