Решить уравнение 1) 6х+8х-7х=714; 2) 23х-19х+5х=1827; 3) 11х-6х+17=2042; 4) 5х+3х-47=6401
1) 6х+8х-7х=714; 7x=714 x=714:7 x=102 2) 23х-19х+5х=1827; 9x = 1827 x= 1827:9 x=203 3) 11х-6х+17=2042; 5x+17=2042 5x=2042-17 5x=2025 x=405 4) 5х+3х-47=6401 8x-47=6401 8x=6401+47 8x=6448 x=6448:8 x=806