2(x-a)+5=3x-1 gdzie liczba x=5
2x - 2a + 5 = 3x -1
2*5 - 2a + 5 = 3*5 - 1
10 - 2a + 5 = 15 - 1
15 - 2a = 14
-2a = -1
a = 0.5
2(5-a) +5 = 3*5-1
10 - 2a + 5 = 15 -1
-2a = 14 -15
-2a= -1
a = 1/2
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2(x-a)+5=3x-1 gdzie liczba x=5
2x - 2a + 5 = 3x -1
2*5 - 2a + 5 = 3*5 - 1
10 - 2a + 5 = 15 - 1
15 - 2a = 14
-2a = -1
a = 0.5
2(5-a) +5 = 3*5-1
10 - 2a + 5 = 15 -1
-2a = 14 -15
-2a= -1
a = 1/2