Ответы на вопрос:
5(х-9)=-25x - 45 = -25x = -2 + 455x = 43x = 8,63=4(х+2)3 = 4x +83 - 8 =4x-5 = 4xx = -1,25-7=5(х+5)-7 = 5x + 25-7 - 25 = 5x-32 =5xx = -6,49=5(х+9)9 = 5x +459 -45 = 5x5x = -36x = -7,27(х-1)=3х 7x - 7 = 3x 7x -3x = 7 4x = 7 x = 1,75
5(х-9)=-25x - 45 = -25x = -2 + 455x = 43x = 8,63=4(х+2)3 = 4x +83 - 8 =4x-5 = 4xx = -1,25-7=5(х+5)-7 = 5x + 25-7 - 25 = 5x-32 =5xx = -6,49=5(х+9)9 = 5x +459 -45 = 5x5x = -36x = -7,27(х-1)=3х 7x - 7 = 3x 7x -3x = 7 4x = 7 x = 1,75
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