Odpowiedź:
1) 4x -5 = x +3 =
-5 - 3 = x - 4x =
-8 = -3x /: -3
2,67 = x
2) 1/6x + 4 = 9 =
4 - 9 = -1/6x
-5 = -1/6x / : -1/6
11 = x
3) 2x - 4x = 3 =
3 = 6x / : 6
0,5 = x
4)3x - 5 = 2 • x + 4 =
-5 - 2 - 4 = 3x * x
-11 = 3x / 3
-3,67 = x
5) -6x=1/2 = 2x + 3/8 = jeżeli po -6x jest + 1/2 = 4/8
4/8 - 3/8 = 2x + 6x
1/8 = 8x / 8
1/64 = x
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Odpowiedź:
1) 4x -5 = x +3 =
-5 - 3 = x - 4x =
-8 = -3x /: -3
2,67 = x
2) 1/6x + 4 = 9 =
4 - 9 = -1/6x
-5 = -1/6x / : -1/6
11 = x
3) 2x - 4x = 3 =
3 = 6x / : 6
0,5 = x
4)3x - 5 = 2 • x + 4 =
-5 - 2 - 4 = 3x * x
-11 = 3x / 3
-3,67 = x
5) -6x=1/2 = 2x + 3/8 = jeżeli po -6x jest + 1/2 = 4/8
4/8 - 3/8 = 2x + 6x
1/8 = 8x / 8
1/64 = x
Szczegółowe wyjaśnienie: