Question

УПРОСТИТЕ ВЫРАЖЕНИЕ:
1) 3(x-1)+(x-2)-x
2) 5n-3(n+2)+(n-6)
3) m-(2m-6)+3(m-3)
4) 2(3x+1)-(x-2)-3x

Answer 1

3х-3+х-2-х=3х-5
5n-3n-6+n-6=3n-12
m-2m+6+3m-9=2m-3
6x+2-x+2-3x=2х