Question

Чему равен х в уравнении 4:х-4=-5

Answer 1

4: x - 4 = - 5
4= -5( x-4)
5x= 20 - 4
x= 16/5
x= 3,2

Answer 2

4/x - 4 = -5
4/x = -5 + 4
4/x = -1
4 = -x
-x = 4
x = -4