Question

Реши уравнения
2.3-x=-5.3
-0.8-(+y)=3.4
-b:0.4=2.5
-1.6a=-2.3

Answer 1

1) -x= -5.3- 2.3       -x = - 7.6      x=7.6
2)  -y = 3.4 + 0.8    -y = 4.2        y = - 4.2
3)  -b = 2.5 * 0.4     -b = 1           b = -1
4)  a = -2.3/( - 1.6)    a = 1.4375