1)3x= - 12
x = -12 : 3
x = -4
2)1/6x = -2/3
x = - 2/3 : 1/6
x = -4
3) -5x = 4
x = 4 : (-5)
x = -4/5
4) -3/4x = -9
x = -9 : (-3/4)
x = 12
5) 7x = -1.4
x = -1.4 : 7
x = - 2
6) 2/3x = -8
x = -8 : 2/3
x = - 12
25 процентов (25%)............
X(x+4)=0
x=0
x+4=0
<span>x=-4</span>