(5x - 3) + (2x + 1) = 15 - 2x
Решение:5x - 3 + 2x + 1 = 15 - 2x7x - 2 = 15 - 2x9x = 17x = 2
-2 + 7 = 5 = 15 - 4 = 11
Ответ: x = 2
(5x - 3) + (2x + 1) = 15 - 2x
Решение:
5x - 3 + 2x + 1 = 15 - 2x
7x - 2 = 15 - 2x
9x = 17
x = 2
-2 + 7 = 5 = 15 - 4 = 11
Ответ: x = 2