" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
2. 5(2a-b)+2(a-b)=10a-5b+2a-2b=12a-7b
= 6x-9y+12y
= 6x+3y
2. 10a-5b+2a-2b
= 10a+2a-5b-2b
= 12a-7b