А) 3х – 4х = 55 – 11; –х = 44; х = –44;
б) –4х + 8х = 45 + 15; 4х = 60; х = 15;
в) –8х – 3х = –105 + 17; –11х = –88; х = 8.

swietajakubiak    1   12.05.2020 12:18    0