Решите 1/3х=-12 б) 6х-10,2=0 в) 5х -4,5=3х+2,5 г) 2х=7=3-2(3х-1) д) 2х/5=х-3/2 прошу решитее

а. 1/3x = -12;
x = -12 : 1/3;
x = -12 * 3;
x = -36.
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б. 6x - 10.2 = 0;
6x = -10.2;
x = -10.2 / 6;
x = 1.7.
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в. 5x - 4.5 = 3x + 2.5;
5x - 3x = 2.5 + 4.5;
2x = 7;
x = 3.5.
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г. 2x=7=3 - 2(3x - 1);
2x=7=3-6x-2;
2x=7=3-2-6x;
2x=7=1-6x;
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д. 2x / 5 = x - 3 / 2;
(2x / 5) - (x - 3 /2) = 0;
(4x / 10) - (5x - 15 / 10);
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