Question

решите уравнение 23 x = -1,4

Answer 1

2/3х=-1.4

2x=-4.2

x=-2.1

Answer 2

2/3 x=-1,4

x=-14/10:2/3

x=-14/10*3/2(14 и 2 сокращаем)

x=-7/10×3

х=-21/10