Ответы на вопрос:
З) -3 - 3(3-2x)=1 -3 - 9 + 6x = 1 6x = 1 + 12 6x = 13 x = 13/6 = 2 1/6 в) -(x+8) = 3 -x - 8 = 3 -x = 3+8 x = -11 e) 5 - 2(3-x) = 11 5 - 6 + 2x = 11 2x = 11 + 1 2x = 12 x = 12/2 = 6 x =6
З)-3-(9-6х)=1 -3-9+6х=1 6х=1+3+9 х=13/6 в)-х-8=3 -х=3+8 х=-11 е)5-6+2х=11 2х=11-5+6 х=6
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