Решите уравнение: 1) 3х=-12 2) 1/6х=-2 3) -5х=4 4 )-3/4х=-9 5) 7х=-1,4 6) 2/3х=-8
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