А) 6b-(2+3b)= б)-3(x+5)+6(x-2)= в)1/6x+2 1/3=5/6= - вопрос №97500606233562162135631311512 от mail56box 23.08.2020 06:12

Question

Алгебра: А) 6b-(2+3b)= б)-3(x+5)+6(x-2)= в)1/6x+2 1/3=5/6= г)y: 3 1/3=1 1/5: 1/2

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А) 6b-(2+3b) =6b-2-3b=3b-2б) -3(x+5) +6(x-2) =-3x-15+6x-12=3x-3в) 1/6x+2 1/3=5/6 1/6x+7/3=5/6 1/6x=5/6-7/3 1/6x=-9/6 x = -9/6: 1/6 x = -9г) y: 3 1/3=1 1/5: 1/2 y: 10/3=6/5: 1/2 = 6/5 × 2/1 y: 10/3 = 12/5 y = 12/5 × 10/3 y = 8...