Odpowiedź:
3(x-4)+7-4(x+5)+31=0
3x-12+7-4x-20+31=0
x=0-31+20-7+12=-6
3(x-1)+4/2=5x
5x=3x-3+4/2
5x=3/2x+1/2
5x-3/2x=1/2
3 1/2x=1/2
x=1/2:3 1/2=1/2•2/7=2/14=1/7
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Odpowiedź:
3(x-4)+7-4(x+5)+31=0
3x-12+7-4x-20+31=0
x=0-31+20-7+12=-6
3(x-1)+4/2=5x
5x=3x-3+4/2
5x=3/2x+1/2
5x-3/2x=1/2
3 1/2x=1/2
x=1/2:3 1/2=1/2•2/7=2/14=1/7