Question

Решите уравнение ~~~~~

Answer 1

7(4-3х)-(8,5-х) = 4-3(х-8)
28-21х-8,5+х=4-3х+24
х+3х-21х=4+24-28+8,5
-17х=8,5
$-17x= frac{85}{10} \ x= -frac{85}{10*17} \ x=- frac{5}{10} \ x=-0,5$

Answer 2

https://znanija.com/task/27518153

Answer 3

Помоги плиз