ответ:-72 и -2/7
Объяснение:
1) -1/3*x=24
-1/3*x=72/3
x=72/3 / -1/3 = 72/3 * - 3/1 = -72
2) -3x=6/7
-21/7*x=6/7
x=6/7 / -21/7 = 6/7 * -7/21 = -6/21 = -2/7
