" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
= (-3m-8m) + (4n+7n) + (-6+10)
= -11m+11n+4
B. 15a+7b-5c + (-11a-12b+13d)
= (15a-11a) + (7b-12b) -5c + 13d
= 4a - 5b -5c +13d
= 4n-4m+4
b. (-11a-12b+13d)+(15a+7b-5c)
=14a-5b-5c+13d