15 x/4 + x/3 = 14; a/2 - a/8 = 5; y/4 = y - 1; не - вопрос №994907915431428541 от coopersmith 19.05.2020 19:24

Question

Алгебра: 15 x/4 + x/3 = 14; a/2 - a/8 = 5; y/4 = y - 1; не понятно как решать, напишите по !

coopersmith · Answer

1) x/4 + x/3 = 14;| * 123x +4x = 1687x = 168x = 168:7 = 24х = 24.2) a/2 - a/8 = 5 | * 84a -a = 403a = 40a = 40/33) y/4 = y - 1 | * 4y = 4y -4y - 4y = -4-3y = -4y = 4/3...