Odpowiedź:
3x - 5 = 4 + 2x
3x - 2x = 4 + 5
x = 9
-5x - 17 = -9x + 3
-5x + 9x = 3 + 17
4x = 20
x = 5
2x - 4 + 5x = x + 2
2x + 5x - x = 2 + 4
6x = 6
x = 1
7x + 2 = 5 + 3x + 9
7x - 3x = 5 + 9 - 2
4x = 12
x = 3
-5x + 10 = -2x - 8
-5x + 2x = -8 - 10
-3x = -18
x = 6
7x + 14 = 5x - 22
7x - 5x = -22 - 14
2x = -36
x = -18
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Odpowiedź:
3x - 5 = 4 + 2x
3x - 2x = 4 + 5
x = 9
-5x - 17 = -9x + 3
-5x + 9x = 3 + 17
4x = 20
x = 5
2x - 4 + 5x = x + 2
2x + 5x - x = 2 + 4
6x = 6
x = 1
7x + 2 = 5 + 3x + 9
7x - 3x = 5 + 9 - 2
4x = 12
x = 3
-5x + 10 = -2x - 8
-5x + 2x = -8 - 10
-3x = -18
x = 6
7x + 14 = 5x - 22
7x - 5x = -22 - 14
2x = -36
x = -18