1/3х+2/9x+5/27x=-20 уравнение

Question

1/3х+2/9x+5/27x=-20
уравнение

Answer 1

1/3х+2/9х+5/27х=-20
9/27х+6/27х+5/27х=-20
20/27х=-20
х=-20:20/27
х=-20*27/20
х=-27