Odpowiedź:
3x-4=5x / -3x
2x=-4 / :2
x=-2
6x+4=2x /-2x
4x+4=0 / -4
4x=-4 / :4
x=-1
-2x+7=6x-9 /+2x
8x-9=7 /+9
8x=16 /:8
x=2
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Odpowiedź:
3x-4=5x / -3x
2x=-4 / :2
x=-2
6x+4=2x /-2x
4x+4=0 / -4
4x=-4 / :4
x=-1
-2x+7=6x-9 /+2x
8x-9=7 /+9
8x=16 /:8
x=2