1) x + 3,2 = -3,2 + 3,2 = 0
2) -5x = 5(-2 8/15) = 5 * -38/15 = -38/3 = -12 2/3
3) 12x - 7 = 0,05 * 12 - 7 = -6,4
4) 3 - 1,5x = 3 - (-1/3 * 3/2) = 3 + 1/2 = 3,5
5) 2x - y/x - 3y = -2 + 1/3 - 1 = 1/3 - 3 = -2 2/3
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Answers & Comments
3,2+
3,2=
6,4
1) x + 3,2 = -3,2 + 3,2 = 0
2) -5x = 5(-2 8/15) = 5 * -38/15 = -38/3 = -12 2/3
3) 12x - 7 = 0,05 * 12 - 7 = -6,4
4) 3 - 1,5x = 3 - (-1/3 * 3/2) = 3 + 1/2 = 3,5
5) 2x - y/x - 3y = -2 + 1/3 - 1 = 1/3 - 3 = -2 2/3