120 + х ∙ 3 = 376

4 ∙ (х – 97) = 68

27401 : х – 119 =398

2400 : (317 + х) = 3

15 ∙ х + 80 = 125

120+3x=3763x=376-1203x=256:3x=85 1/34*(x-97)=684x-388=684x=68+3884x=456:4x=1142400:(317+x)=3317+x=2400:3317+x=800x=800-317x=48315x+80=12515x=125-8015x=45:15x=3