Решите уравнение:
а) 7x + 2- 3x + 10 =0
б)5x - 8 - (3x - 8) = 0
в) 3x - 1 - (2x + 5 - x) =0 
г) 1,52 - 2,8x - (1,72- 5,2x) = 0
д) 5x + 7 - 2x - (3 - 2x + x)= 0
е) 7 - 0,2x - (21,28 - 1,6) =0
ж) 1/2x - 3 - (2 - 1/3x) =0
з) 1целая 1/5 - 0,5x - 0,4 +2/5x= 0
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