Question

ПОМОГИТЕ ПЛИЗ ПЖ 100*(3х+х)-2(49х+100)=2002

Answer 1

100*(3х+х)-2(49х+100)=2002 ;
400х-98х-(-200) = 2002;
302х=2002+(-200);
302х = 1802;
х = 6;
Проверка:
100*(3*6+6)-2*(49*6+100);
2400 - 398 = 2002;
2002=2002;
Ответ:6.