Question

Помогите решить уравнение: 34,2-(14,2-у)=18

Answer 1

34,2-(14,2-у)=18
34,2-14,2+у=18
20+у=18
у=18-20
у=-2

Answer 2

$34.2-(14.2-y)=18\34.2-14.2+y=18\20+y=18\y=18-20\y=-2$