|2x - 7| = 5
2x - 7 = 5 lub 2x - 7 = -5
2x = 5 + 7 lub 2x = -5 + 7
2x = 12 lub 2x = 2
x = 6 lub x = 1
odp. x = 1 lub x = 6
2x -7 =5 U -2x+7 =5
2x = 12 /:2 -2x = -2 /:(-2)
x = 6 x = 1
odp:
x = 1 u x =6
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|2x - 7| = 5
2x - 7 = 5 lub 2x - 7 = -5
2x = 5 + 7 lub 2x = -5 + 7
2x = 12 lub 2x = 2
x = 6 lub x = 1
odp. x = 1 lub x = 6
2x -7 =5 U -2x+7 =5
2x = 12 /:2 -2x = -2 /:(-2)
x = 6 x = 1
odp:
x = 1 u x =6