"Równania pierwszego stopnia z jedną niewiadomą."
Zad 14/166
d) x/2+x/4+x/5=x-1
x/2+x/4+x/5=x-1 /*20
10x+5x+4x=20x-20
19x-20x=-20
-x=-20/-1
x=20
x/2+x/4+x/5=x-1 |*20
-1x=-20 |:(-1)
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
x/2+x/4+x/5=x-1 /*20
10x+5x+4x=20x-20
19x-20x=-20
-x=-20/-1
x=20
x/2+x/4+x/5=x-1 |*20
10x+5x+4x=20x-20
19x-20x=-20
-1x=-20 |:(-1)
x=20