1. Usuń nawiasy i sredukuj wyrazy podobne.
a.) -(3x+y-7)-5x-7+4y)
b.) (7-4b+3a) - (2a+4b-7)
2. Zredukuj wyrazy podobne
a) 3b+5z+7b-2z
b.) 5y+3x-4x+6y-9x+7y
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
a)-(3x+y-7)-5x-7+4y)=-(3x+y-7-5x-7+4)=-(-2x+y-10)=2x-y+10
b) (7-4b+3a)-(2a+4b-7)=7-4b+3a-2a-4b+7=14-8b+a
2
a)3b+5z+7b-2z=10z+3z
b)5y+3x-4x+6y-9x+7y=18y-8x
1. a) 13x-y+7-5x-7+4y= 8x+3y
b) 7-4b+3a-2a-4b+7=14-8b+a
2.a) 10b+3z
b) 18y-10x