Решите пожалуйста 1 и 3 номера
Ответ:
1)
y = 2,5x + 13 , при y = -3
-3 = 2,5x + 13
-2,5x = 13 + 3
-2,5x = 16
-x = 6,4
x = -6,4
y = 2,5x + 13 , при x = 33
y = 2,5 * 33 + 13
y = 95,5
3)
%2B(4a-2b)-(10a-12b)%3D8a-14b%2B4a-2b-10a%2B12b%3D2a-4b%3D2(a-2b)%5C%5C%5C%5C(b-5)(2b%2B3)%2B17%3D2b%5E%7B2%7D%20%2B3b-10b-15%2B17%3D2b%5E%7B2%7D%20-7b%2B2%5C%5C%5C%5C%5C(y-3x)%5E%7B2%7D%2B(3y%2Bx)%5E%7B2%7D%20%3Dy%5E%7B2%7D%20-6xy%2B9x%5E%7B2%7D%20%2B9y%5E%7B2%7D%20%2B6xy%2Bx%5E%7B2%7D%3D10y%5E%7B2%7D%20%2B10x%5E%7B2%7D)