Question

Найдите 49a – 41b – 14, если4а-5b+2/5a-4b+2=-9

Answer 1

(4а-5b+2)/(5a-4b+2)=-9
4a-5b+2=-45a+36b-18
4a-5b+2+45a-36b+18=0
49a-41b+20=0
49a-41b=-20
49a-41b-14=-20-14=-34

Answer 2

Найдите 49a – 41b – 14, если

$\frac{4a-5b+2}{5a-4b+2} = -9 4a-5b+2=-9(5a-4b+2) 4a-5b+2=-45a+36b-18 4a-5b+2+45a-36b+18=0 49a-41b+20=0 49a-41b+20-34=0-34$
Ответ -34