12(b +3a) + 9 = a +6[3(a - b) = -b+27 - вопрос №1774916612396327 от Про100олюшка 27.01.2022 05:15

Question

Математика: 12(b +3a) + 9 = a +6[3(a - b) = -b+27​

Про100олюшка · Answer

12(b+3a)+9=a+6.3(a-b)=-b+27.12b+36a+9=a+6.3a-3b=-b+27.35a+12b=-3.3a-2b=27, 3a=27+2b, a=9+⅔b.35×(9+⅔b)+12b=-3, 315+(70/3)b + 12b=-3, 106b=-954, b=-9.a=9+⅔×(-9) = 9-6 = 3.ответ: (3;-9)....

12(b +3a) + 9 = a +6[3(a - b) = -b+27​

12(b +3a) + 9 = a +6
[3(a - b) = -b+27