Question

решите уравнение
3-(1,5x-12,8)=45,8-4x

Answer 1

3-(1,5x-12,8)=45,8-4x
3-1,5x-12,8=45,8-4x
15,8-1,5х=45,8-4х
-1,5х+4х=45,8-15,8
2,5х=30
х=12