Ответы на вопрос:
3.5x - 2.3x + 3.8 = 4.28 1.2x + 3.8 = 4.28 1.2x = 4.28 - 3.8 1.2x = 0.48 x = 0.48/1.2 x = 0.4 ////////////// 4.7y - (2.5y + 12.4) = 1.9 4.7y - 2.5y - 12.4 = 1.9 2.2y = 1.9 + 12.4 2.2y = 14.3 y = 14.3/2.2 y = 6.5 /////////// (8.3 - r) * 4.7 = 5.64 8.3 - r = 5.64 / 4.7 8.3 - r = 1.2 r = 8.3 - 1.2 r = 7.1 /////// (9.2 - m) * 3.2 = 16 9.2 - m = 16 / 3.2 9.2 - m = 5 m = 9.2 - 5 m = 4.2
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