" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
-3m + 4n - 6 + 7n - 8m + 10
-3m - 8m + 4n + 7n - 6 + 10
= -11m + 11n + 4
b) (15a + 7b - 5c) + (-11a - 12b + 13d)
15a + 7b - 5c - 11a - 12b + 13d
15a - 11a + 7b -12b - 5c + 13d
= 4a - 5b - 5c + 13d
2. a) (-3m + 4n - 6) - (7n - 8m + 10)
-3m + 4n - 6 - 7n - (-8m) - 10
-3m + 8m + 4n - 7n - 6 - 10
= 5m - 3n - 16
b) (15a + 7b - 5c) - (-11a - 12b + 13d)
15a + 7b - 5c + 11a + 12b - 13d
15a + 11a + 7b + 12b - 5c - 13d
= 26a + 19b - 5c -13d