1) 5m + (7m - 2m + 3) = 5m + 5m + 3 = 10m + 32) 2(m+1) + (6m + 2 - 4m) = 2m + 2 + 6m + 2 - 4m = 4m + 43) (3m - 7) + (2m - (5 + 4 - m)) = 3m - 7 + 2m - 9 + m = 6m - 164) (2(m-1) - 1) + (2m + (1 - 2 + m)) = 2m - 2 - 1 + 2m + 1 - 2 + m = 5m - 45) 1 + (m - (1 + (m - (1 + m)))) = 1 + (m - (1 - 1 - m)) = 1 + (m - (-m)) = 1 + 2m
1) 5m + (7m - 2m + 3) = 5m + 5m + 3 = 10m + 3
2) 2(m+1) + (6m + 2 - 4m) = 2m + 2 + 6m + 2 - 4m = 4m + 4
3) (3m - 7) + (2m - (5 + 4 - m)) = 3m - 7 + 2m - 9 + m = 6m - 16
4) (2(m-1) - 1) + (2m + (1 - 2 + m)) = 2m - 2 - 1 + 2m + 1 - 2 + m = 5m - 4
5) 1 + (m - (1 + (m - (1 + m)))) = 1 + (m - (1 - 1 - m)) = 1 + (m - (-m)) = 1 + 2m