Question

Решите уравнения
2.3-x=-5.3
-0.8-(+y)=3.4
-1/6a=-2/3
-b:0.4=-2.5
Пожалуйста

Answer 1

$1) : 2.3 - x = - 5.3 \ - x = - 5.3 - 2.3 \ - x = - 7.6 \ x = 7.6 \ 2) : - 0.8 - ( + y) = 3.4 \ - 0.8 - y = 3.4 \ - y = 3.4 + 0.8 \ - y = 4.2 \ у = - 4.2 \ 3) : - frac{1}{6a} = - frac{2}{3} \ - 12a = - 3 \ a = 0.25 \ 4) - b div 0.4 = - 2.5 \ - b = - 2.5 times 0.4 \ - b = - 1 \ b = 1$