Question

решить уравнения.$frac{1}{5}x=5 \\2x-(6x+1)=9$

Answer 1

$frac{1}{5} x = 5 \ \ 5 frac{1}{5} x = 5 times 5 \ \ x = 5 times 5 \ = 25 \ \ 2)2x - (6x + 1) = 9 \ 2x - 6x - 1 = 9 \ - 4x - 1 = 9 \ - 4 x= 9 + 1 \ - 4x = 10 div - 4 \ x = - 2.5$

Answer 2

спасибо :))))