х = 11/9
Пошаговое объяснение:
7(х + 2/3) + 1/3 = 4(х + 1/3)
7х + 14/3 + 1/3 = 4х + 4/3
7х + 15/3 = 4х + 4/3
7х + 5 = 4х + 4/3
7х - 4х = 4/3 - 5
3х = 11/3
х = 11/3 * 1/3
х = 11/9
Пошаговое объяснение:
7(х + 2/3) + 1/3 = 4(х + 1/3)
7х + 14/3 + 1/3 = 4х + 4/3
7х + 15/3 = 4х + 4/3
7х + 5 = 4х + 4/3
7х - 4х = 4/3 - 5
3х = 11/3
х = 11/3 * 1/3
х = 11/9