1) х-(2х-(4х+3)) = х - 2х + 4х + 3 = 3х + 3
2) 8m - (4n - (6m + (3n + 5m))) = 8m - 4n + 6m + 3n + 5m = 19m - n
1) х-(2х-(4х+3)) = х - 2х + 4х + 3 = 3х + 3
2) 8m - (4n - (6m + (3n + 5m))) = 8m - 4n + 6m + 3n + 5m = 19m - n