а)2а-(8-а)+(3а-2) = 2a - 8 + a + 3a -2 = 6a -10
б)8-6(2x- )+12x-2 = 8 - 12x + 3 + 12x -2 = 9
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а)2а-(8-а)+(3а-2) = 2a - 8 + a + 3a -2 = 6a -10
б)8-6(2x- )+12x-2 = 8 - 12x + 3 + 12x -2 = 9
2)8-12х+3+12х-2=8+3-2=9