Odpowiedź:
8-2x=4x-4
2x-4x=-4-8
-2x=-4/:(-2)
x=2
7-3x=-8-8x
-3x+8x=-8-7
5x=-15/:5
x=-3
11x-9=7x-5
11x-7x=-5+9
4x=14/:4
x=3.5
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Odpowiedź:
8-2x=4x-4
2x-4x=-4-8
-2x=-4/:(-2)
x=2
7-3x=-8-8x
-3x+8x=-8-7
5x=-15/:5
x=-3
11x-9=7x-5
11x-7x=-5+9
4x=14/:4
x=3.5